ECIR
2010
Springer
13 years 6 months ago
2010
Springer
We analyse the statistical behavior of query-associated quantities in query-logs, namely, the sum and mean of IDF of query terms, otherwise known as query specificity and query mea...
CIKM
2008
Springer
13 years 6 months ago
2008
Springer
We propose a framework for searching the Wikipedia with contextual information. Our framework extends the typical keyword search, by considering queries of the type q, p , where q...
CIKM
2008
Springer
13 years 6 months ago
2008
Springer
As an effective technique for improving retrieval effectiveness, relevance feedback (RF) has been widely studied in both monolingual and cross-language information retrieval (CLIR...
FQAS
2009
Springer
13 years 9 months ago
2009
Springer
Relevance Feedback (RF) is a technique allowing to enrich an initial query according to the user feedback in order to get results closer to the user’s information need. This pape...
ICDM
2002
IEEE
13 years 9 months ago
2002
IEEE
Previous works on automatic query clustering most generate a flat, un-nested partition of query terms. In this work, we are pursuing to organize query terms into a hierarchical s...
ITCC
2003
IEEE
13 years 10 months ago
2003
IEEE
We present an efficient algorithm called the Quadtree Heuristic for identifying a list of similar terms for each unique term in a large document collection. Term similarity is de...
READING
2004
Springer
13 years 10 months ago
2004
Springer
Document Transformation techniques have been studied for decades. In this paper, a new approach for a significant improvement is presented based on using a new query expansion met...
JCDL
2004
ACM
13 years 10 months ago
2004
ACM
Users’ cross-lingual queries to a digital library system might be short and not included in a common translation dictionary (unknown terms). In this paper, we investigate the fe...
AWIC
2005
Springer
13 years 10 months ago
2005
Springer
Query expansion has been extensively studied as a technique for increasing information retrieval performance. However, due to the volume of documents available on the web, many of ...
CLEF
2007
Springer
13 years 11 months ago
2007
Springer
We describe cross language retrieval experiments using Amharic queries and English language document collection from our participation in the bilingual ad hoc track at the CLEF 20...