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» An Empirical Study of Query Specificity
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ICDE
2009
IEEE
214views Database» more  ICDE 2009»
14 years 10 months ago
Ranking with Uncertain Scores
Large databases with uncertain information are becoming more common in many applications including data integration, location tracking, and Web search. In these applications, ranki...
Mohamed A. Soliman, Ihab F. Ilyas
WWW
2001
ACM
14 years 9 months ago
When experts agree: using non-affiliated experts to rank popular topics
In response to a query a search engine returns a ranked list of documents. If the query is on a popular topic (i.e., it matches many documents) then the returned list is usually t...
Krishna Bharat, George A. Mihaila
VLDB
2008
ACM
140views Database» more  VLDB 2008»
14 years 9 months ago
Efficient temporal counting with bounded error
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
Yufei Tao, Xiaokui Xiao
SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
14 years 9 months ago
System design issues in sensor databases
In-network sensor query processing systems (ISQPs), or sensor databases, have been developed to acquire, process and aggregate data from wireless sensor networks (WSNs). Because W...
Qiong Luo, Hejun Wu
CIKM
2007
Springer
14 years 3 months ago
A knowledge-based search engine powered by wikipedia
This paper describes Koru, a new search interface that offers effective domain-independent knowledge-based information retrieval. Koru exhibits an understanding of the topics of b...
David N. Milne, Ian H. Witten, David M. Nichols