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DMSN
2005
ACM
15 years 8 months ago
The threshold join algorithm for top-k queries in distributed sensor networks
In this paper we present the Threshold Join Algorithm (TJA), which is an efficient TOP-k query processing algorithm for distributed sensor networks. The objective of a top-k query...
Demetrios Zeinalipour-Yazti, Zografoula Vagena, Di...
CIDR
2009
152views Algorithms» more  CIDR 2009»
15 years 7 months ago
Visualizing the robustness of query execution
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...
Goetz Graefe, Harumi A. Kuno, Janet L. Wiener
DKE
2006
110views more  DKE 2006»
15 years 6 months ago
Efficient recursive XML query processing using relational database systems
Recursive queries are quite important in the context of XML databases. In addition, several recent papers have investigated a relational approach to store XML data and there is gr...
Sandeep Prakash, Sourav S. Bhowmick, Sanjay Kumar ...
JPDC
2010
128views more  JPDC 2010»
15 years 5 months ago
Adaptive holistic scheduling for query processing in sensor networks
We observe two deficiencies of current query processing and scheduling techniques for sensor networks: (1) A query execution plan does not adapt to the hardware characteristics o...
Hejun Wu, Qiong Luo
ACL
2011
14 years 10 months ago
Joint Annotation of Search Queries
Marking up search queries with linguistic annotations such as part-of-speech tags, capitalization, and segmentation, is an important part of query processing and understanding in ...
Michael Bendersky, W. Bruce Croft, David A. Smith