Two-stage language models for information retrieval
SIGIR '02 Proceedings of the 25th annual international ACM SIGIR conference on Research and development in information retrieval
Improving Text Classification by Shrinkage in a Hierarchy of Classes
ICML '98 Proceedings of the Fifteenth International Conference on Machine Learning
Computing Geographical Scopes of Web Resources
VLDB '00 Proceedings of the 26th International Conference on Very Large Data Bases
Geographic location tags on digital images
MULTIMEDIA '03 Proceedings of the eleventh ACM international conference on Multimedia
Web-a-where: geotagging web content
Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval
Context data in geo-referenced digital photo collections
Proceedings of the 12th annual ACM international conference on Multimedia
On assigning place names to geography related web pages
Proceedings of the 5th ACM/IEEE-CS joint conference on Digital libraries
A probabilistic approach to spatiotemporal theme pattern mining on weblogs
Proceedings of the 15th international conference on World Wide Web
A probabilistic relevance propagation model for hypertext retrieval
CIKM '06 Proceedings of the 15th ACM international conference on Information and knowledge management
Why we tag: motivations for annotation in mobile and online media
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
World explorer: visualizing aggregate data from unstructured text in geo-referenced collections
Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries
Towards automatic extraction of event and place semantics from flickr tags
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Mining geographic knowledge using location aware topic model
Proceedings of the 4th ACM workshop on Geographical information retrieval
Generating diverse and representative image search results for landmarks
Proceedings of the 17th international conference on World Wide Web
Flickr tag recommendation based on collective knowledge
Proceedings of the 17th international conference on World Wide Web
Spatial variation in search engine queries
Proceedings of the 17th international conference on World Wide Web
Identifying regional sensitive queries in web search
Proceedings of the 17th international conference on World Wide Web
Modeling and visualizing geo-sensitive queries based on user clicks
Proceedings of the first international workshop on Location and the web
Selecting good expansion terms for pseudo-relevance feedback
Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
Applications of location-based services: a selected review
Journal of Location Based Services
Modeling multi-step relevance propagation for expert finding
Proceedings of the 17th ACM conference on Information and knowledge management
MM '08 Proceedings of the 16th ACM international conference on Multimedia
Classifying tags using open content resources
Proceedings of the Second ACM International Conference on Web Search and Data Mining
Proceedings of the 18th international conference on World wide web
Towards automated georeferencing of Flickr photos
Proceedings of the 6th Workshop on Geographic Information Retrieval
Proceedings of the international conference on Multimedia information retrieval
Earthquake shakes Twitter users: real-time event detection by social sensors
Proceedings of the 19th international conference on World wide web
Extraction of Places Related to Flickr Tags
Proceedings of the 2010 conference on ECAI 2010: 19th European Conference on Artificial Intelligence
kNN based image classification relying on local feature similarity
Proceedings of the Third International Conference on SImilarity Search and APplications
You are where you tweet: a content-based approach to geo-locating twitter users
CIKM '10 Proceedings of the 19th ACM international conference on Information and knowledge management
Acquiring semantic context for events from online resources
Proceedings of the 3rd International Workshop on Location and the Web
Combining multi-resolution evidence for georeferencing Flickr images
SUM'10 Proceedings of the 4th international conference on Scalable uncertainty management
Semantic twitter: analyzing tweets for real-time event notification
BlogTalk'08/09 Proceedings of the 2008/2009 international conference on Social software: recent trends and developments in social software
Annotate Wikipedia with Flickr images: concepts and case study
ICIMCS '10 Proceedings of the Second International Conference on Internet Multimedia Computing and Service
Automatic image semantic interpretation using social action and tagging data
Multimedia Tools and Applications
Research and applications on georeferenced multimedia: a survey
Multimedia Tools and Applications
Geotagging in multimedia and computer vision--a survey
Multimedia Tools and Applications
Toponym resolution in social media
ISWC'10 Proceedings of the 9th international semantic web conference on The semantic web - Volume Part I
The InfoAlbum image centric information collection
Proceedings of the International Conference on Web Intelligence, Mining and Semantics
Finding locations of flickr resources using language models and similarity search
Proceedings of the 1st ACM International Conference on Multimedia Retrieval
Automatic tagging and geotagging in video collections and communities
Proceedings of the 1st ACM International Conference on Multimedia Retrieval
Multi-modal, multi-resource methods for placing Flickr videos on the map
Proceedings of the 1st ACM International Conference on Multimedia Retrieval
Geometric consistency checks for kNN based image classification relying on local features
Proceedings of the Fourth International Conference on SImilarity Search and APplications
Simple supervised document geolocation with geodesic grids
HLT '11 Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies - Volume 1
Identifying points of interest by self-tuning clustering
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
Your mileage may vary: on the limits of social media
SIGSPATIAL Special
"I'm eating a sandwich in Glasgow": modeling locations with tweets
Proceedings of the 3rd international workshop on Search and mining user-generated contents
Modeling social strength in social media community via kernel-based learning
MM '11 Proceedings of the 19th ACM international conference on Multimedia
News contextualization with geographic and visual information
MM '11 Proceedings of the 19th ACM international conference on Multimedia
Multimodal location estimation on Flickr videos
WSM '11 Proceedings of the 3rd ACM SIGMM international workshop on Social media
Exploration and comparison of geographic information sources using distance statistics
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Finding wormholes with flickr geotags
ECIR'2010 Proceedings of the 32nd European conference on Advances in Information Retrieval
Unified classification model for geotagging websites
Proceedings of the 21st international conference companion on World Wide Web
Geo-Location estimation of flickr images: social web based enrichment
ECIR'12 Proceedings of the 34th European conference on Advances in Information Retrieval
A visual approach for video geocoding using bag-of-scenes
Proceedings of the 2nd ACM International Conference on Multimedia Retrieval
Placing images on the world map: a microblog-based enrichment approach
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
Mining the web for points of interest
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
Gender-based models of location from flickr
Proceedings of the ACM multimedia 2012 workshop on Geotagging and its applications in multimedia
Supervised text-based geolocation using language models on an adaptive grid
EMNLP-CoNLL '12 Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning
GeoMM'12: ACM international workshop on geotagging and its applications in multimedia
Proceedings of the 20th ACM international conference on Multimedia
A probabilistic approach to mining geospatial knowledge from social annotations
Proceedings of the 21st ACM international conference on Information and knowledge management
Web Semantics: Science, Services and Agents on the World Wide Web
Match graph construction for large image databases
ECCV'12 Proceedings of the 12th European conference on Computer Vision - Volume Part I
A content-driven framework for geolocating microblog users
ACM Transactions on Intelligent Systems and Technology (TIST) - Special section on twitter and microblogging services, social recommender systems, and CAMRa2010: Movie recommendation in context
TweetPhoto: photos from news tweets
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
Mobile exploration of geotagged photographs
Personal and Ubiquitous Computing
Learning to rank for spatiotemporal search
Proceedings of the sixth ACM international conference on Web search and data mining
Using social media to find places of interest: a case study
Proceedings of the 1st ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information
@Phillies Tweeting from Philly? Predicting Twitter User Locations with Spatial Word Usage
ASONAM '12 Proceedings of the 2012 International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2012)
Detecting Places of Interest Using Social Media
WI-IAT '12 Proceedings of the The 2012 IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technology - Volume 01
Retrieving geo-location of videos with a divide & conquer hierarchical multimodal approach
Proceedings of the 3rd ACM conference on International conference on multimedia retrieval
Geo-visual ranking for location prediction of social images
Proceedings of the 3rd ACM conference on International conference on multimedia retrieval
Non-linear book manifolds: learning from associations the dynamic geometry of digital libraries
Proceedings of the 13th ACM/IEEE-CS joint conference on Digital libraries
Georeferencing Flickr resources based on textual meta-data
Information Sciences: an International Journal
Nontrivial landmark recommendation using geotagged photos
ACM Transactions on Intelligent Systems and Technology (TIST) - Special Sections on Paraphrasing; Intelligent Systems for Socially Aware Computing; Social Computing, Behavioral-Cultural Modeling, and Prediction
A study on the accuracy of Flickr's geotag data
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
Uncovering locally characterizing regions within geotagged data
Proceedings of the 22nd international conference on World Wide Web
Human vs machine: establishing a human baseline for multimodal location estimation
Proceedings of the 21st ACM international conference on Multimedia
Towards precise POI localization with social media
Proceedings of the 21st ACM international conference on Multimedia
A probablistic model for spatio-temporal signal extraction from social media
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Every move you make I'll be watching you: geographical focus detection on Twitter
Proceedings of the 7th Workshop on Geographic Information Retrieval
PhotoStand: a map query interface for a database of news photos
Proceedings of the VLDB Endowment
Discovering and Characterizing Places of Interest Using Flickr and Twitter
International Journal on Semantic Web & Information Systems
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In this paper we investigate generic methods for placing photos uploaded to Flickr on the World map. As primary input for our methods we use the textual annotations provided by the users to predict the single most probable location where the image was taken. Central to our approach is a language model based entirely on the annotations provided by users. We define extensions to improve over the language model using tag-based smoothing and cell-based smoothing, and leveraging spatial ambiguity. Further we demonstrate how to incorporate GeoNames\footnote{http://www.geonames.org visited May 2009}, a large external database of locations. For varying levels of granularity, we are able to place images on a map with at least twice the precision of the state-of-the-art reported in the literature.