Ejemplo n.º 1
0
 def __init__(self):
     self.stateFullNames = []
     self.countryFullNames = []
     self.stateAbbreviationToFullName = dict()
     self.countryAbbreviationToFullName = dict()
     self.geocodeLocationResolver = None
     self.useUnknownPlaces = True        
     self.newLocationIndex = Constants.NEW_LOCATION_STARTING_INDEX
     self.statePattern = ".+,\\s*(\\w+)"
     self.placeNameToNormalizedPlaceName = dict()
     self.idToLocation = dict()
     self.locationNameToLocation = dict()
     self.locationToParent = dict()
     self.locationToChildren = dict()
     self.locationToId = dict()
     self.usePlace = CarmenProperties["use_place"]
     self.useGeocodes = CarmenProperties["use_geocodes"]
     self.useUserString = CarmenProperties["use_user_string"]
     self.useUnknownPlaces = CarmenProperties["use_unknown_places"]
     logger.info("Geocoding using these resources:")
     if self.usePlace:
         logger.info('place')
     if self.useGeocodes:
         logger.info('geocodes')
     if self.useUserString:
         logger.info("user profile")
     logger.info("Loading location resources.")
     self.loadLocationFile(os.path.join(root,CarmenProperties["locations"]))
     knownLocations = []
     for location in self.idToLocation.values():
         knownLocations.append(location)
     self.idToLocation[-1] = Location.getNoneLocation()
     for location in knownLocations:
         parent = self.createParentOfLocation(location)
         if parent and not parent.isNone():
             self.locationToParent[location] = parent
         if not self.locationToChildren.has_key(parent):
             self.locationToChildren[parent] = []
         self.locationToChildren[parent].append(location)
         currentLocation = parent
         parent = self.createParentOfLocation(currentLocation)
         while parent and not parent.isNone():
             if not self.locationToParent.has_key(currentLocation):
                 self.locationToParent[currentLocation] = parent
             if not self.locationToChildren.has_key(parent):
                 self.locationToChildren[parent] = []
             self.locationToChildren[parent].append(currentLocation)
             currentLocation = parent
             parent = self.createParentOfLocation(currentLocation)
     if self.usePlace:
         self.loadNameAndAbbreviation(os.path.join(root,CarmenProperties["place_name_mapping"]), None, self.placeNameToNormalizedPlaceName, False)
     self.loadNameAndAbbreviation(os.path.join(root,CarmenProperties["state_names_file"]), self.stateFullNames, self.stateAbbreviationToFullName, True);
     self.loadNameAndAbbreviation(os.path.join(root,CarmenProperties["country_names_file"]), self.countryFullNames, self.countryAbbreviationToFullName, True);
     if self.useGeocodes:
         self.geocodeLocationResolver = GeocodeLocationResolver()
         for location in self.idToLocation.values():
             if location.latitude and location.longitude:
                 self.geocodeLocationResolver.addLocation(location)
 def __init__(self):
     self.stateFullNames = []
     self.countryFullNames = []
     self.stateAbbreviationToFullName = dict()
     self.countryAbbreviationToFullName = dict()
     self.geocodeLocationResolver = None
     self.useUnknownPlaces = True
     self.newLocationIndex = Constants.NEW_LOCATION_STARTING_INDEX
     self.statePattern = ".+,\\s*(\\w+)"
     self.placeNameToNormalizedPlaceName = dict()
     self.idToLocation = dict()
     self.locationNameToLocation = dict()
     self.locationToParent = dict()
     self.locationToChildren = dict()
     self.locationToId = dict()
     self.usePlace = CarmenProperties["use_place"]
     self.useGeocodes = CarmenProperties["use_geocodes"]
     self.useUserString = CarmenProperties["use_user_string"]
     self.useUnknownPlaces = CarmenProperties["use_unknown_places"]
     logger.info("Geocoding using these resources:")
     if self.usePlace:
         logger.info('place')
     if self.useGeocodes:
         logger.info('geocodes')
     if self.useUserString:
         logger.info("user profile")
     logger.info("Loading location resources.")
     self.loadLocationFile(os.path.join(root,
                                        CarmenProperties["locations"]))
     knownLocations = []
     for location in self.idToLocation.values():
         knownLocations.append(location)
     self.idToLocation[-1] = Location.getNoneLocation()
     for location in knownLocations:
         parent = self.createParentOfLocation(location)
         if parent and not parent.isNone():
             self.locationToParent[location] = parent
         if not self.locationToChildren.has_key(parent):
             self.locationToChildren[parent] = []
         self.locationToChildren[parent].append(location)
         currentLocation = parent
         parent = self.createParentOfLocation(currentLocation)
         while parent and not parent.isNone():
             if not self.locationToParent.has_key(currentLocation):
                 self.locationToParent[currentLocation] = parent
             if not self.locationToChildren.has_key(parent):
                 self.locationToChildren[parent] = []
             self.locationToChildren[parent].append(currentLocation)
             currentLocation = parent
             parent = self.createParentOfLocation(currentLocation)
     if self.usePlace:
         self.loadNameAndAbbreviation(
             os.path.join(root, CarmenProperties["place_name_mapping"]),
             None, self.placeNameToNormalizedPlaceName, False)
     self.loadNameAndAbbreviation(
         os.path.join(root, CarmenProperties["state_names_file"]),
         self.stateFullNames, self.stateAbbreviationToFullName, True)
     self.loadNameAndAbbreviation(
         os.path.join(root, CarmenProperties["country_names_file"]),
         self.countryFullNames, self.countryAbbreviationToFullName, True)
     if self.useGeocodes:
         self.geocodeLocationResolver = GeocodeLocationResolver()
         for location in self.idToLocation.values():
             if location.latitude and location.longitude:
                 self.geocodeLocationResolver.addLocation(location)
Ejemplo n.º 3
0
class LocationResolver(object):
    resolver = None
    def __init__(self):
        self.stateFullNames = []
        self.countryFullNames = []
        self.stateAbbreviationToFullName = dict()
        self.countryAbbreviationToFullName = dict()
        self.geocodeLocationResolver = None
        self.useUnknownPlaces = True        
        self.newLocationIndex = Constants.NEW_LOCATION_STARTING_INDEX
        self.statePattern = ".+,\\s*(\\w+)"
        self.placeNameToNormalizedPlaceName = dict()
        self.idToLocation = dict()
        self.locationNameToLocation = dict()
        self.locationToParent = dict()
        self.locationToChildren = dict()
        self.locationToId = dict()
        self.usePlace = CarmenProperties["use_place"]
        self.useGeocodes = CarmenProperties["use_geocodes"]
        self.useUserString = CarmenProperties["use_user_string"]
        self.useUnknownPlaces = CarmenProperties["use_unknown_places"]
        logger.info("Geocoding using these resources:")
        if self.usePlace:
            logger.info('place')
        if self.useGeocodes:
            logger.info('geocodes')
        if self.useUserString:
            logger.info("user profile")
        logger.info("Loading location resources.")
        self.loadLocationFile(os.path.join(root,CarmenProperties["locations"]))
        knownLocations = []
        for location in self.idToLocation.values():
            knownLocations.append(location)
        self.idToLocation[-1] = Location.getNoneLocation()
        for location in knownLocations:
            parent = self.createParentOfLocation(location)
            if parent and not parent.isNone():
                self.locationToParent[location] = parent
            if not self.locationToChildren.has_key(parent):
                self.locationToChildren[parent] = []
            self.locationToChildren[parent].append(location)
            currentLocation = parent
            parent = self.createParentOfLocation(currentLocation)
            while parent and not parent.isNone():
                if not self.locationToParent.has_key(currentLocation):
                    self.locationToParent[currentLocation] = parent
                if not self.locationToChildren.has_key(parent):
                    self.locationToChildren[parent] = []
                self.locationToChildren[parent].append(currentLocation)
                currentLocation = parent
                parent = self.createParentOfLocation(currentLocation)
        if self.usePlace:
            self.loadNameAndAbbreviation(os.path.join(root,CarmenProperties["place_name_mapping"]), None, self.placeNameToNormalizedPlaceName, False)
        self.loadNameAndAbbreviation(os.path.join(root,CarmenProperties["state_names_file"]), self.stateFullNames, self.stateAbbreviationToFullName, True);
        self.loadNameAndAbbreviation(os.path.join(root,CarmenProperties["country_names_file"]), self.countryFullNames, self.countryAbbreviationToFullName, True);
        if self.useGeocodes:
            self.geocodeLocationResolver = GeocodeLocationResolver()
            for location in self.idToLocation.values():
                if location.latitude and location.longitude:
                    self.geocodeLocationResolver.addLocation(location)

#        print self.placeNameToNormalizedPlaceName
#        for location in self.locationNameToLocation.keys():
#            print location
        
    @staticmethod
    def getLocationResolver():
        if not LocationResolver.resolver:
            LocationResolver.resolver = LocationResolver()
        return LocationResolver.resolver
        
    def createParentOfLocation(self, location):
        parentLocation = None
        if location.getCity():
            parentLocation = Location(location.getCountry(), location.getState(), location.getCounty(), None, None, None, -1, False)
        elif location.getCountry():
            parentLocation = Location(location.getCountry(), location.getState(), None, None, None, None, -1, False)
        elif location.getState():
            parentLocation = Location(location.getCountry(), None, None, None, None, None, -1, False)
        elif location.getCountry() and location.getCountry().lower() != Constants.DS_LOCATION_NONE.lower():
            parentLocation = Location.getNoneLocation()
        if not parentLocation:
            return None
        if self.locationToId.has_key(parentLocation):
            return self.idToLocation[self.locationToId[parentLocation]]
        self.registerNewLocation(parentLocation)
        return parentLocation

    def getPlaceFromTweet(self, tweet):
        if tweet.has_key('place'):
            return tweet['place']
        else:
            return None
    
    def getUserFromTweet(tweet):
        if tweet.has_key('user'):
            return tweet['user']
        else:
            return None
    
    def getLocationFromTweet(tweet):
        user = getUserFromTweet(tweet)
        if user:
            location = lookup(user,'location')
            if location:
                return location
        return None
        
    def getLatLngFromTweet(tweet):
        return Utils.geo_check_tweet(tweet)
    
    def loadNameAndAbbreviation(self, filename, fullName, abbreviations, secondColumnKey):
        for line in open(filename).readlines():
            splitString = line.lower().split('\t')
            splitString[0] = splitString[0].strip()
            splitString[1] = splitString[1].strip()
            if fullName != None:
                fullName.append(splitString[0])
            if (abbreviations != None):
                if not secondColumnKey:
                    abbreviations[splitString[0]] = splitString[1]
                else:
                    abbreviations[splitString[1]] = splitString[0]
                    
    def setUseUnknownPlaces(self, useUnknownPlaces):
        self.useUnknownPlaces = useUnknownPlaces
        
    def resolveLocationFromTweet(self, tweet):
        location = None
        if self.usePlace:
            location = self.resolveLocationUsingPlace(tweet)
            if location:
                location.setResolutionMethod(ResolutionMethod.PLACE)
                if not self.useUnknownPlaces and not location.isKnownLocation():
                    location = None
                elif self.useUnknownPlaces and not location.isKnownLocation():
                    self.registerNewLocation(location)
        if not location and self.useGeocodes:
            location = self.resolveLocationUsingGeocodes(tweet)
            if location:
                location.setResolutionMethod(ResolutionMethod.COORDINATES)
        if not location and self.useUserString:
            location = self.resolveLocationUsingUserLocation(tweet)
            if location:
                location.setResolutionMethod(ResolutionMethod.USER_LOCATION)
        return location
                
    def isUseUnknownPlaces(self):
        return self.useUnknownPlaces            
        
    def resolveLocationUsingPlace(self, tweet):
        place = self.getPlaceFromTweet(tweet)
        if place == None:
            return None
            
        url = lookup(place, 'url')
        id = lookup(place, 'id')
        country = lookup(place, 'country')
        if country == None:
            logger.warn("Found place with no country: {}".format(place))
            return None
        if self.placeNameToNormalizedPlaceName.has_key(country.lower):
            country = placeNameToNormalizedPlaceName[country.lower]
            
        placeType = lookup(place, 'place_type')
        if placeType.lower() == 'city':
            city = lookup(place, 'name')
            if country.lower() == 'united states':
                fullName = lookup(place, 'full_name')
                state = None
                if not fullName:
                    logger.warn("Found place with no full_name: {}".format(place))
                    return None
                match = re.search(self.statePattern, fullName)
                if match:
                    matchedString = match.group().lower().split()[1].strip()
                    if self.stateAbbreviationToFullName.has_key(matchedString):
                        state = self.stateAbbreviationToFullName[matchedString]
                    else:
                        st_matches = [st for st in self.stateAbbreviationToFullName.values() if st == matchedString]
                        if len(st_matches) > 0:
                            state = st_matches[0]
                return self.getLocationForPlace(country, state, None, city, url, id)
            else:
                return self.getLocationForPlace(country, None, None, city, url, id)
        elif placeType.lower() == 'admin':
            state = lookup(place, 'name')
            return self.getLocationForPlace(country, state, None, None, url, id)
        elif placeType.lower() == 'country':
            return self.getLocationForPlace(country, None, None, None, url, id)
        elif placeType.lower() == 'neighborhood' or placeType.lower() == 'poi':
            fullName = lookup(place, 'full_name')
            if not fullName:
                logger.warn("Found place with no full_name: {}".format(place))
                return None
            splitFullName = fullName.split(',')
            city = None
            if len(splitFullName) > 1:
                city = splitFullName[1]
            return self.getLocationForPlace(country, None, None, city, url, id)
        else:
            logger.warn("Unknown place type: {}".format(placeType))
        
    def resolveLocationUsingGeocodes(self, tweet):
        return self.geocodeLocationResolver.resolveLocation(tweet)
    
    def extract_state(self, matchedString):
        state = None
        if self.stateAbbreviationToFullName.has_key(matchedString):
            state = self.stateAbbreviationToFullName[matchedString]
        else:
            st_matches = [st for st in self.stateAbbreviationToFullName.values() if st == matchedString]
            if len(st_matches) > 0:
                state = st_matches[0]
        return state
        
    def extract_country(self, matchedString):
        co = None
        if self.countryAbbreviationToFullName.has_key(matchedString):
            co = self.countryAbbreviationToFullName[matchedString]
        else:
            co_matches = [co for co in self.countryAbbreviationToFullName.values() if co == matchedString]
            if len(co_matches) > 0:
                co = co_matches[0]
        return co
        
    def resolveLocationUsingUserLocation(self, tweet):
        tweetLocation = Utils.getLocationFromTweet(tweet)
        if tweetLocation:
            var = re.sub("\\p{Punct}", " ", tweetLocation)
            location = re.sub("\\s+", " ", var).lower().strip()
            if self.locationNameToLocation.has_key(location):
                return self.locationNameToLocation[location]
            var = re.sub("[!\\\"#$%&'\\(\\)\\*\\+-\\./:;<=>\\?@\\[\\\\]^_`\\{\\|\\}~]", " ", tweetLocation)
            locationWithComma = re.sub("\\s+", " ", var).lower().strip()
            match = re.search(".+,\\s*(\\w+)", locationWithComma)
            if match:
                matchedString = match.group().lower()
                if self.locationNameToLocation.has_key(matchedString):
                    return self.locationNameToLocation[matchedString]
                else:
                    items = matchedString.split(',')
                    if len(items) == 2:
                        state = self.extract_state(items[1].strip())
                        if state:
                            return Location('united states', state, matchedString.split(',')[0], None, None, None, -1, False)
                        else:
                            co = self.extract_country(items[1].strip())
                            return Location(co, None, None, None, None, None, -1, False)
                    else:
                        co = self.extract_country(items[2].strip())
                        if co:
                            state = self.extract_state(items[1].strip())
                            if state:
                                return Location(co, state, items[0].strip(), None, None, None, -1, False)
                            else:
                                return Location(co, None, None, None, None, None, -1, False)
                        else:
                            state = self.extract_state(items[2].strip())
                            if state:
                                return Location('united states', state, None, None, None, None, -1, False)
        return None
            
    def getLocationForId(self, id):
        if self.idToLocation.has_key(id):
            return self.idToLocation[id]
    
    def loadLocationToIdFile(self, filename):
        map = dict()
        for line in open(filename).readlines():
            line = line.lower()
            splitString = line.split('\t')
            locationId = int(splitString[0].trim())
            for ii in range(len(splitString)):
                entry = splitString[ii].strip()
                if map.has_key(entry) and not map[entry] == locationId:
                    logger.warn('Duplicate location found: {}'.format(entry))
                map[entry] = locationId
        return map

    def loadLocationFile(self, filename):
        for line in open(filename).readlines():
            locationObj = json.loads(line)
            location = Location.parseLocationFromJsonObj(locationObj)
            aliases = locationObj['aliases']
            self.idToLocation[location.getId()] = location
            self.locationToId[location] = location.getId()
            justAddedAliases = []
            for alias in aliases:
                if alias in justAddedAliases:
                    continue
                if self.locationNameToLocation.has_key(alias):
                    logger.warn("Duplicate location name: {}".format(alias))
                else:
                    self.locationNameToLocation[alias] = location
                justAddedAliases.append(alias)
                var = re.sub("\\p{Punct}", " ", alias)
                newEntry = re.sub("\\s+", " ", var)
                if newEntry in justAddedAliases:
                    continue
                if newEntry != alias:
                    if self.locationNameToLocation.has_key(newEntry):
                        logger.warn("Duplicate location name: {}".format(newEntry))
                    else:
                        self.locationNameToLocation[newEntry] = location
                justAddedAliases.append(newEntry)
        
    def getLocationForPlace(self, country, state, county, city, url, id):
        location = Location(country, state, county, city, 0, 0, -1, False)
        if self.locationToId.has_key(location): 
            return self.idToLocation[self.locationToId[location]]
        location.setUrl(url)
        location.setTwitterId(id)
        return location
        
    def registerNewLocation(self, location):
        index = self.newLocationIndex
        self.newLocationIndex += 1
        location.setId(index)
        self.locationToId[location] = index
        self.idToLocation[index] = location
        parent = self.createParentOfLocation(location)
        if parent:
            self.locationToParent[location] = parent
            if not self.locationToChildren.has_key(parent):
                self.locationToChildren[parent] = []
            self.locationToChildren[parent].append(location)
        
    def getParent(self, location):
        if self.locationToParent.has_key(location):
            return self.locationToParent[location]
        return None
        
    def getChildren(self, location):
        if self.locationToChildren.has_key(location):
            return self.locationToChildren[location]
        return None
        
    def lookupLocation(self, location):
        if self.locationToId.has_key(location):
            return self.idToLocation[self.locationToId[location]]
        self.registerNewLocation(location)
        return location
class LocationResolver(object):
    resolver = None

    def __init__(self):
        self.stateFullNames = []
        self.countryFullNames = []
        self.stateAbbreviationToFullName = dict()
        self.countryAbbreviationToFullName = dict()
        self.geocodeLocationResolver = None
        self.useUnknownPlaces = True
        self.newLocationIndex = Constants.NEW_LOCATION_STARTING_INDEX
        self.statePattern = ".+,\\s*(\\w+)"
        self.placeNameToNormalizedPlaceName = dict()
        self.idToLocation = dict()
        self.locationNameToLocation = dict()
        self.locationToParent = dict()
        self.locationToChildren = dict()
        self.locationToId = dict()
        self.usePlace = CarmenProperties["use_place"]
        self.useGeocodes = CarmenProperties["use_geocodes"]
        self.useUserString = CarmenProperties["use_user_string"]
        self.useUnknownPlaces = CarmenProperties["use_unknown_places"]
        logger.info("Geocoding using these resources:")
        if self.usePlace:
            logger.info('place')
        if self.useGeocodes:
            logger.info('geocodes')
        if self.useUserString:
            logger.info("user profile")
        logger.info("Loading location resources.")
        self.loadLocationFile(os.path.join(root,
                                           CarmenProperties["locations"]))
        knownLocations = []
        for location in self.idToLocation.values():
            knownLocations.append(location)
        self.idToLocation[-1] = Location.getNoneLocation()
        for location in knownLocations:
            parent = self.createParentOfLocation(location)
            if parent and not parent.isNone():
                self.locationToParent[location] = parent
            if not self.locationToChildren.has_key(parent):
                self.locationToChildren[parent] = []
            self.locationToChildren[parent].append(location)
            currentLocation = parent
            parent = self.createParentOfLocation(currentLocation)
            while parent and not parent.isNone():
                if not self.locationToParent.has_key(currentLocation):
                    self.locationToParent[currentLocation] = parent
                if not self.locationToChildren.has_key(parent):
                    self.locationToChildren[parent] = []
                self.locationToChildren[parent].append(currentLocation)
                currentLocation = parent
                parent = self.createParentOfLocation(currentLocation)
        if self.usePlace:
            self.loadNameAndAbbreviation(
                os.path.join(root, CarmenProperties["place_name_mapping"]),
                None, self.placeNameToNormalizedPlaceName, False)
        self.loadNameAndAbbreviation(
            os.path.join(root, CarmenProperties["state_names_file"]),
            self.stateFullNames, self.stateAbbreviationToFullName, True)
        self.loadNameAndAbbreviation(
            os.path.join(root, CarmenProperties["country_names_file"]),
            self.countryFullNames, self.countryAbbreviationToFullName, True)
        if self.useGeocodes:
            self.geocodeLocationResolver = GeocodeLocationResolver()
            for location in self.idToLocation.values():
                if location.latitude and location.longitude:
                    self.geocodeLocationResolver.addLocation(location)


#        print self.placeNameToNormalizedPlaceName
#        for location in self.locationNameToLocation.keys():
#            print location

    @staticmethod
    def getLocationResolver():
        if not LocationResolver.resolver:
            LocationResolver.resolver = LocationResolver()
        return LocationResolver.resolver

    def createParentOfLocation(self, location):
        parentLocation = None
        if location.getCity():
            parentLocation = Location(location.getCountry(),
                                      location.getState(),
                                      location.getCounty(), None, None, None,
                                      -1, False)
        elif location.getCountry():
            parentLocation = Location(location.getCountry(),
                                      location.getState(), None, None, None,
                                      None, -1, False)
        elif location.getState():
            parentLocation = Location(location.getCountry(), None, None, None,
                                      None, None, -1, False)
        elif location.getCountry() and location.getCountry().lower(
        ) != Constants.DS_LOCATION_NONE.lower():
            parentLocation = Location.getNoneLocation()
        if not parentLocation:
            return None
        if self.locationToId.has_key(parentLocation):
            return self.idToLocation[self.locationToId[parentLocation]]
        self.registerNewLocation(parentLocation)
        return parentLocation

    def getPlaceFromTweet(self, tweet):
        if tweet.has_key('place'):
            return tweet['place']
        else:
            return None

    def getUserFromTweet(self, tweet):
        if tweet.has_key('user'):
            return tweet['user']
        else:
            return None

    def getLocationFromTweet(tweet):
        user = getUserFromTweet(tweet)
        if user:
            location = lookup(user, 'location')
            if location:
                return location
        return None

    def getLatLngFromTweet(tweet):
        return Utils.geo_check_tweet(tweet)

    def loadNameAndAbbreviation(self, filename, fullName, abbreviations,
                                secondColumnKey):
        for line in open(filename).readlines():
            splitString = line.lower().split('\t')
            splitString[0] = splitString[0].strip()
            splitString[1] = splitString[1].strip()
            if fullName != None:
                fullName.append(splitString[0])
            if (abbreviations != None):
                if not secondColumnKey:
                    abbreviations[splitString[0]] = splitString[1]
                else:
                    abbreviations[splitString[1]] = splitString[0]

    def setUseUnknownPlaces(self, useUnknownPlaces):
        self.useUnknownPlaces = useUnknownPlaces

    def resolveLocationFromTweet(self, tweet):
        location = None
        if self.usePlace:
            location = self.resolveLocationUsingPlace(tweet)
            if location:
                location.setResolutionMethod(ResolutionMethod.PLACE)
                if not self.useUnknownPlaces and not location.isKnownLocation(
                ):
                    location = None
                elif self.useUnknownPlaces and not location.isKnownLocation():
                    self.registerNewLocation(location)
        if not location and self.useGeocodes:
            location = self.resolveLocationUsingGeocodes(tweet)
            if location:
                location.setResolutionMethod(ResolutionMethod.COORDINATES)
        if not location and self.useUserString:
            location = self.resolveLocationUsingUserLocation(tweet)
            if location:
                location.setResolutionMethod(ResolutionMethod.USER_LOCATION)
        return location

    def isUseUnknownPlaces(self):
        return self.useUnknownPlaces

    def resolveLocationUsingPlace(self, tweet):
        place = self.getPlaceFromTweet(tweet)
        if place == None:
            return None

        url = lookup(place, 'url')
        id = lookup(place, 'id')
        country = lookup(place, 'country')
        if country == None:
            logger.warn("Found place with no country: {}".format(place))
            return None
        if self.placeNameToNormalizedPlaceName.has_key(country.lower):
            country = placeNameToNormalizedPlaceName[country.lower]

        placeType = lookup(place, 'place_type')
        if placeType.lower() == 'city':
            city = lookup(place, 'name')
            if country.lower() == 'united states':
                fullName = lookup(place, 'full_name')
                state = None
                if not fullName:
                    logger.warn(
                        "Found place with no full_name: {}".format(place))
                    return None
                match = re.search(self.statePattern, fullName)
                if match:
                    matchedString = match.group().lower().split()[1].strip()
                    if self.stateAbbreviationToFullName.has_key(matchedString):
                        state = self.stateAbbreviationToFullName[matchedString]
                    else:
                        st_matches = [
                            st for st in
                            self.stateAbbreviationToFullName.values()
                            if st == matchedString
                        ]
                        if len(st_matches) > 0:
                            state = st_matches[0]
                return self.getLocationForPlace(country, state, None, city,
                                                url, id)
            else:
                return self.getLocationForPlace(country, None, None, city, url,
                                                id)
        elif placeType.lower() == 'admin':
            state = lookup(place, 'name')
            return self.getLocationForPlace(country, state, None, None, url,
                                            id)
        elif placeType.lower() == 'country':
            return self.getLocationForPlace(country, None, None, None, url, id)
        elif placeType.lower() == 'neighborhood' or placeType.lower() == 'poi':
            fullName = lookup(place, 'full_name')
            if not fullName:
                logger.warn("Found place with no full_name: {}".format(place))
                return None
            splitFullName = fullName.split(',')
            city = None
            if len(splitFullName) > 1:
                city = splitFullName[1]
            return self.getLocationForPlace(country, None, None, city, url, id)
        else:
            logger.warn("Unknown place type: {}".format(placeType))

    def resolveLocationUsingGeocodes(self, tweet):
        return self.geocodeLocationResolver.resolveLocation(tweet)

    def extract_state(self, matchedString):
        state = None
        if self.stateAbbreviationToFullName.has_key(matchedString):
            state = self.stateAbbreviationToFullName[matchedString]
        else:
            st_matches = [
                st for st in self.stateAbbreviationToFullName.values()
                if st == matchedString
            ]
            if len(st_matches) > 0:
                state = st_matches[0]
        return state

    def extract_country(self, matchedString):
        co = None
        if self.countryAbbreviationToFullName.has_key(matchedString):
            co = self.countryAbbreviationToFullName[matchedString]
        else:
            co_matches = [
                co for co in self.countryAbbreviationToFullName.values()
                if co == matchedString
            ]
            if len(co_matches) > 0:
                co = co_matches[0]
        return co

    def resolveLocationUsingUserLocation(self, tweet):
        tweetLocation = Utils.getLocationFromTweet(tweet)
        if tweetLocation:
            var = re.sub("\\p{Punct}", " ", tweetLocation)
            location = re.sub("\\s+", " ", var).lower().strip()
            if self.locationNameToLocation.has_key(location):
                return self.locationNameToLocation[location]
            var = re.sub(
                "[!\\\"#$%&'\\(\\)\\*\\+-\\./:;<=>\\?@\\[\\\\]^_`\\{\\|\\}~]",
                " ", tweetLocation)
            locationWithComma = re.sub("\\s+", " ", var).lower().strip()
            match = re.search(".+,\\s*(\\w+)", locationWithComma)
            if match:
                matchedString = match.group().lower()
                if self.locationNameToLocation.has_key(matchedString):
                    return self.locationNameToLocation[matchedString]
                else:
                    items = matchedString.split(',')
                    if len(items) == 2:
                        state = self.extract_state(items[1].strip())
                        if state:
                            return Location('united states', state,
                                            matchedString.split(',')[0], None,
                                            None, None, -1, False)
                        else:
                            co = self.extract_country(items[1].strip())
                            return Location(co, None, None, None, None, None,
                                            -1, False)
                    else:
                        co = self.extract_country(items[2].strip())
                        if co:
                            state = self.extract_state(items[1].strip())
                            if state:
                                return Location(co, state, items[0].strip(),
                                                None, None, None, -1, False)
                            else:
                                return Location(co, None, None, None, None,
                                                None, -1, False)
                        else:
                            state = self.extract_state(items[2].strip())
                            if state:
                                return Location('united states', state, None,
                                                None, None, None, -1, False)
        return None

    def getLocationForId(self, id):
        if self.idToLocation.has_key(id):
            return self.idToLocation[id]

    def loadLocationToIdFile(self, filename):
        map = dict()
        for line in open(filename).readlines():
            line = line.lower()
            splitString = line.split('\t')
            locationId = int(splitString[0].trim())
            for ii in range(len(splitString)):
                entry = splitString[ii].strip()
                if map.has_key(entry) and not map[entry] == locationId:
                    logger.warn('Duplicate location found: {}'.format(entry))
                map[entry] = locationId
        return map

    def loadLocationFile(self, filename):
        for line in open(filename).readlines():
            locationObj = json.loads(line)
            location = Location.parseLocationFromJsonObj(locationObj)
            aliases = locationObj['aliases']
            self.idToLocation[location.getId()] = location
            self.locationToId[location] = location.getId()
            justAddedAliases = []
            for alias in aliases:
                if alias in justAddedAliases:
                    continue
                if self.locationNameToLocation.has_key(alias):
                    logger.warn("Duplicate location name: {}".format(alias))
                else:
                    self.locationNameToLocation[alias] = location
                justAddedAliases.append(alias)
                var = re.sub("\\p{Punct}", " ", alias)
                newEntry = re.sub("\\s+", " ", var)
                if newEntry in justAddedAliases:
                    continue
                if newEntry != alias:
                    if self.locationNameToLocation.has_key(newEntry):
                        logger.warn(
                            "Duplicate location name: {}".format(newEntry))
                    else:
                        self.locationNameToLocation[newEntry] = location
                justAddedAliases.append(newEntry)

    def getLocationForPlace(self, country, state, county, city, url, id):
        location = Location(country, state, county, city, 0, 0, -1, False)
        if self.locationToId.has_key(location):
            return self.idToLocation[self.locationToId[location]]
        location.setUrl(url)
        location.setTwitterId(id)
        return location

    def registerNewLocation(self, location):
        index = self.newLocationIndex
        self.newLocationIndex += 1
        location.setId(index)
        self.locationToId[location] = index
        self.idToLocation[index] = location
        parent = self.createParentOfLocation(location)
        if parent:
            self.locationToParent[location] = parent
            if not self.locationToChildren.has_key(parent):
                self.locationToChildren[parent] = []
            self.locationToChildren[parent].append(location)

    def getParent(self, location):
        if self.locationToParent.has_key(location):
            return self.locationToParent[location]
        return None

    def getChildren(self, location):
        if self.locationToChildren.has_key(location):
            return self.locationToChildren[location]
        return None

    def lookupLocation(self, location):
        if self.locationToId.has_key(location):
            return self.idToLocation[self.locationToId[location]]
        self.registerNewLocation(location)
        return location