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SAC
2009
ACM
16 years 2 months ago
Building an efficient preference XML query processor
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
SungRan Cho, Wolf-Tilo Balke
DMSN
2009
ACM
16 years 1 months ago
Validated cost models for sensor network queries
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
Christian Y. A. Brenninkmeijer, Ixent Galpin, Alva...
DBISP2P
2004
Springer
70views Database» more  DBISP2P 2004»
16 years 25 days ago
Using Information Retrieval Techniques to Route Queries in an InfoBeacons Network
We present the InfoBeacons system, in which a peer-to-peer network of beacons cooperates to route queries to the best information sources. The routing in our system uses techniques...
Brian F. Cooper
SEMWEB
2004
Springer
16 years 24 days ago
Top-k Query Evaluation for Schema-Based Peer-to-Peer Networks
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...
Wolfgang Nejdl, Wolf Siberski, Uwe Thaden, Wolf-Ti...
ICDE
2000
IEEE
113views Database» more  ICDE 2000»
15 years 12 months ago
Web Query Optimizer
We consider an architecture of mediators and wrappers for Internet accessible WebSources of limited query capability. Each call to a source is a WebSource Implementation (WSI) and...
Vladimir Zadorozhny, Laura Bright, Louiqa Raschid,...