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IJCSA
2007
143views more  IJCSA 2007»
14 years 9 months ago
Incremental Trade-Off Management for Preference-Based Queries
Preference-based queries often referred to as skyline queries play an important role in cooperative query processing. However, their prohibitive result sizes pose a severe challen...
Wolf-Tilo Balke, Ulrich Güntzer, Christoph Lo...
PODS
2006
ACM
122views Database» more  PODS 2006»
15 years 10 months ago
Verification of communicating data-driven web services
We study the verification of compositions of Web Service peers which interact asynchronously by exchanging messages. Each peer has access to a local database and reacts to user in...
Alin Deutsch, Liying Sui, Victor Vianu, Dayou Zhou
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
15 years 10 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman
SIGMOD
2009
ACM
172views Database» more  SIGMOD 2009»
15 years 4 months ago
Self-organizing tuple reconstruction in column-stores
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
68
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HICSS
2008
IEEE
105views Biometrics» more  HICSS 2008»
15 years 4 months ago
Video Content Description Using Fuzzy Spatio-temporal Relations
One of the important aspects in digital video applications is spatial and temporal characteristic. A very little progress has been achieved on spatiotemporal modeling of video dat...
Archana M. Rajurkar, R. C. Joshi, Santanu Chaudhar...