Sciweavers

1088 search results - page 72 / 218
» Probabilistic query expansion using query logs
Sort
View
ERCIMDL
2010
Springer
163views Education» more  ERCIMDL 2010»
13 years 11 months ago
Determining Time of Queries for Re-ranking Search Results
Abstract. Recent work on analyzing query logs shows that a significant fraction of queries are temporal, i.e., relevancy is dependent on time, and temporal queries play an importan...
Nattiya Kanhabua, Kjetil Nørvåg
MM
2004
ACM
129views Multimedia» more  MM 2004»
14 years 3 months ago
A novel log-based relevance feedback technique in content-based image retrieval
Relevance feedback has been proposed as an important technique to boost the retrieval performance in content-based image retrieval (CBIR). However, since there exists a semantic g...
Chu-Hong Hoi, Michael R. Lyu
USS
2010
13 years 8 months ago
Searching the Searchers with SearchAudit
Search engines not only assist normal users, but also provide information that hackers and other malicious entities can exploit in their nefarious activities. With carefully craft...
John P. John, Fang Yu, Yinglian Xie, Martín...
GIR
2006
ACM
14 years 4 months ago
Handling Locations in Search Engine Queries
This paper proposes simple techniques for handling place references in search engine queries, an important aspect of geographical information retrieval. We address not only the de...
Bruno Martins, Mário J. Silva, Sérgi...
COCOON
2005
Springer
14 years 3 months ago
Opportunistic Data Structures for Range Queries
Abstract In this paper, we study the problem of supporting range sum queries on a compressed sequence of values. For a sequence of n k-bit integers, k ≤ O(log n), our data struct...
Chung Keung Poon, Wai Keung Yiu