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167
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IR
2010
15 years 4 months ago
2010
Abstract We present a new ranking algorithm that combines the strengths of two previous methods: boosted tree classification, and LambdaRank, which has been shown to be empiricall...
168
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AAAI
2012
13 years 8 months ago
2012
Most Twitter search systems generally treat a tweet as a plain text when modeling relevance. However, a series of conventions allows users to tweet in structural ways using combin...
153
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FQAS
2009
Springer
16 years 16 days ago
2009
Springer
The bag of words representation (BoW), which is widely used in information retrieval (IR), represents documents and queries as word lists that do not express anything about context...
147
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CLEF
2010
Springer
15 years 7 months ago
2010
Springer
Abstract. Our participation at ResPubliQA 2010 was based on applying an Information Retrieval (IR) engine of high performance and a validation step for removing incorrect answers. ...
180
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ICML
2009
IEEE
16 years 6 months ago
2009
IEEE
We present an on-line learning framework tailored towards real-time learning from observed user behavior in search engines and other information retrieval systems. In particular, ...