Generalized vector spaces model in information retrieval
SIGIR '85 Proceedings of the 8th annual international ACM SIGIR conference on Research and development in information retrieval
Translingual information retrieval: learning from bilingual corpora
Artificial Intelligence - Special issue: artificial intelligence 40 years later
Importance of semantic representation: dataless classification
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 2
Text categorization with knowledge transfer from heterogeneous data sources
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 2
Concept-based feature generation and selection for information retrieval
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 2
Computing semantic relatedness using Wikipedia-based explicit semantic analysis
IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
A Wikipedia-based multilingual retrieval model
ECIR'08 Proceedings of the IR research, 30th European conference on Advances in information retrieval
Measuring the descriptiveness of web comments
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
Evaluating cross-language explicit semantic analysis and cross querying
CLEF'09 Proceedings of the 10th cross-language evaluation forum conference on Multilingual information access evaluation: text retrieval experiments
Extended explicit semantic analysis for calculating semantic relatedness of web resources
EC-TEL'10 Proceedings of the 5th European conference on Technology enhanced learning conference on Sustaining TEL: from innovation to learning and practice
Concept-Based Information Retrieval Using Explicit Semantic Analysis
ACM Transactions on Information Systems (TOIS)
Query session detection as a cascade
Proceedings of the 20th ACM international conference on Information and knowledge management
Insights into explicit semantic analysis
Proceedings of the 20th ACM international conference on Information and knowledge management
Semantically enhanced term frequency
ECIR'2010 Proceedings of the 32nd European conference on Advances in Information Retrieval
Cross-language high similarity search: why no sub-linear time bound can be expected
ECIR'2010 Proceedings of the 32nd European conference on Advances in Information Retrieval
Combining wikipedia-based concept models for cross-language retrieval
IRFC'10 Proceedings of the First international Information Retrieval Facility conference on Adbances in Multidisciplinary Retrieval
Translation techniques in cross-language information retrieval
ACM Computing Surveys (CSUR)
On the connections between explicit semantic analysis and latent semantic analysis
Proceedings of the 21st ACM international conference on Information and knowledge management
Collaboratively built semi-structured content and Artificial Intelligence: The story so far
Artificial Intelligence
Evaluation of a layered approach to question answering over linked data
ISWC'12 Proceedings of the 11th international conference on The Semantic Web - Volume Part II
From search session detection to search mission detection
Proceedings of the 10th Conference on Open Research Areas in Information Retrieval
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Among the retrieval models that have been proposed in the last years, the ESA model of Gabrilovich and Markovitch received much attention. The authors report on a significant improvement in the retrieval performance, which is explained with the semantic concepts introduced by the document collection underlying ESA. Their explanation appears plausible but our analysis shows that the connections are more involved and that the "concept hypothesis" does not hold. In our contribution we analyze several properties that in fact affect the retrieval performance. Moreover, we introduce a formalization of ESA, which reveals its close connection to existing retrieval models.