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» Location-dependent query processing: Where we are and where ...
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EDBT
1998
ACM
131views Database» more  EDBT 1998»
13 years 11 months ago
Processing Complex Similarity Queries with Distance-Based Access Methods
Efficient evaluation of similarity queries is one of the basic requirements for advanced multimedia applications. In this paper, we consider the relevant case where complex similar...
Paolo Ciaccia, Marco Patella, Pavel Zezula
ICDE
2006
IEEE
196views Database» more  ICDE 2006»
14 years 9 months ago
Closure-Tree: An Index Structure for Graph Queries
Graphs have become popular for modeling structured data. As a result, graph queries are becoming common and graph indexing has come to play an essential role in query processing. ...
Huahai He, Ambuj K. Singh
VLDB
2006
ACM
490views Database» more  VLDB 2006»
15 years 7 months ago
The New Casper: Query Processing for Location Services without Compromising Privacy
This paper tackles a major privacy concern in current location-based services where users have to continuously report their locations to the database server in order to obtain the ...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref
PVLDB
2010
118views more  PVLDB 2010»
13 years 6 months ago
Ten Thousand SQLs: Parallel Keyword Queries Computing
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
Lu Qin, Jefferey Yu, Lijun Chang
EDBT
2008
ACM
128views Database» more  EDBT 2008»
14 years 7 months ago
Processing transitive nearest-neighbor queries in multi-channel access environments
Wireless broadcast is an efficient way for information dissemination due to its good scalability [10]. Existing works typically assume mobile devices, such as cell phones and PDAs...
Xiao Zhang, Wang-Chien Lee, Prasenjit Mitra, Baihu...