153 search results - page 18 / 31 » Term-specific smoothing for the language modeling approach t... |
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Community QA portals provide an important resource for non-factoid question-answering. The inherent noisiness of user-generated data makes the identification of high-quality cont...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
The query equivalence problem has been studied extensively for set-semantics and, more recently, for bag-set semantics. However, SQL queries often combine set and bag-set semantic...
CIKM
2009
Springer
2009
Springer
Improving retrievability of patents with cluster-based pseudo-relevance feedback documents selection
14 years 2 months ago
High findability of documents within a certain cut-off rank is considered an important factor in recall-oriented application domains such as patent or legal document retrieval. ...
IPM
2007
13 years 7 months ago
2007
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
WSDM
2009
ACM
14 years 2 months ago
2009
ACM
Temporal expressions, such as between 1992 and 2000, are frequent across many kinds of documents. Text retrieval, though, treats them as common terms, thus ignoring their inherent...