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SIGIR
2010
ACM
13 years 9 months ago
Learning to rank query reformulations
Query reformulation techniques based on query logs have recently proven to be effective for web queries. However, when initial queries have reasonably good quality, these techniqu...
Van Dang, Michael Bendersky, W. Bruce Croft
IUI
2006
ACM
14 years 2 months ago
Towards intelligent QA interfaces: discourse processing for context questions
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
Mingyu Sun, Joyce Y. Chai
SIGIR
2010
ACM
14 years 23 days ago
Positional relevance model for pseudo-relevance feedback
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
Yuanhua Lv, ChengXiang Zhai
MM
2003
ACM
123views Multimedia» more  MM 2003»
14 years 2 months ago
Music scale modeling for melody matching
Several time series matching techniques have been proposed for content-based music retrieval. These techniques represent a melody by a time series of pitch values and use time war...
Yongwei Zhu, Mohan S. Kankanhalli
ACL
2008
13 years 10 months ago
Combining Speech Retrieval Results with Generalized Additive Models
Rapid and inexpensive techniques for automatic transcription of speech have the potential to dramatically expand the types of content to which information retrieval techniques can...
J. Scott Olsson, Douglas W. Oard