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UIC at TREC-2003: Robust Track

13 years 5 months ago
UIC at TREC-2003: Robust Track
In TREC 2003, the Database and Information System Lab (DBIS) at University of Illinois at Chicago (UIC) participate in the robust track, which is a traditional ad hoc retrieval task. The emphasis is based on average effectiveness as well as individual topic effectiveness. Noun phrases in the query are identified and classified into 4 types: proper names, dictionary phrases, simple phrases and complex phrases. A document has a phrase if all content words in a phrase are within a window of a certain size. The window sizes for different types of phrases are different. We consider phrases to be more important than individual terms. As a consequence, documents in response to a query are ranked with matching phrases given a higher priority. WordNet is used to disambiguate word senses and bring in useful synonyms and hyponyms once the correct senses of the words in a query have been identified. The usual pseudo-feedback process is modified so that the documents are also ranked according to p...
Shuang Liu, Clement T. Yu
Added 01 Nov 2010
Updated 01 Nov 2010
Type Conference
Year 2003
Where TREC
Authors Shuang Liu, Clement T. Yu
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