641 search results - page 85 / 129 » Studying Query Expansion Effectiveness |
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
Measuring the similarity between documents and queries has been extensively studied in information retrieval. However, there are a growing number of tasks that require computing th...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
This paper addresses a fundamental and challenging problem with broad applications: efficient processing of region-based promotion queries, i.e., to discover the top-k most inter...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
Long-term search history contains rich information about a user's search preferences. In this paper, we study statistical language modeling based methods to mine contextual i...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...
HICSS
2007
IEEE
13 years 11 months ago
2007
IEEE
Short assigned question-answering style tasks are often used as a probe to understand how users do search. While such assigned tasks are simple to test and are effective at elicit...