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SEMCO
2008
IEEE
15 years 10 months ago
Exploiting Semantic Query Context to Improve Search Ranking
One challenge for relevance ranking in Web search is underspecified queries. For such queries, top-ranked documents may contain information irrelevant to the search goal of the us...
Ziming Zhuang, Silviu Cucerzan
VLDB
2011
ACM
276views Database» more  VLDB 2011»
14 years 11 months ago
Ranking queries on uncertain data
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Xuemin Lin
WWW
2011
ACM
14 years 11 months ago
Prophiler: a fast filter for the large-scale detection of malicious web pages
Malicious web pages that host drive-by-download exploits have become a popular means for compromising hosts on the Internet and, subsequently, for creating large-scale botnets. In...
Davide Canali, Marco Cova, Giovanni Vigna, Christo...
ICDE
2010
IEEE
262views Database» more  ICDE 2010»
16 years 3 months ago
Approximate String Search in Spatial Databases
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
Bin Yao, Feifei Li, Marios Hadjieleftheriou, Kun H...
ISCI
2007
103views more  ISCI 2007»
15 years 4 months ago
Threshold-based declustering
Declustering techniques reduce query response time through parallel I/O by distributing data among multiple devices. Except for a few cases it is not possible to find declusterin...
Ali Saman Tosun