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CIKM
2011
Springer
12 years 7 months ago
2011
Springer
A growing number of applications are built on top of search engines and issue complex structured queries. This paper contributes a customisable ranking-based processing of such qu...
SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
The majority of the current information retrieval models weight the query concepts (e.g., terms or phrases) in an unsupervised manner, based solely on the collection statistics. I...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Language Modeling (LM) has been successfully applied to Information Retrieval (IR). However, most of the existing LM approaches only rely on term occurrences in documents, queries...
CIKM
2003
Springer
14 years 25 days ago
2003
Springer
We explore the relationship between time and relevance using TREC ad-hoc queries. A type of query is identified that favors very recent documents. We propose a time-based language...
ADBIS
2007
Springer
13 years 11 months ago
2007
Springer
Existing work repeatedly addresses that the ubiquitous positioning devices will start to generate an unprecedented stream of time-stamped positions leading to storage and computati...