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» Query Brokers for Distributed and Flexible Query Evaluation
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SSDBM
2008
IEEE
177views Database» more  SSDBM 2008»
15 years 6 months ago
Prioritized Evaluation of Continuous Moving Queries over Streaming Locations
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
Kostas Patroumpas, Timos K. Sellis
ISSADS
2004
Springer
15 years 5 months ago
Evaluating Location Dependent Queries Using ISLANDS
The recent emergence of handheld devices and wireless networks has implied an exponential increase of terminals users. So, today, service providers have to propose new application...
Marie Thilliez, Thierry Delot
ICDE
2005
IEEE
120views Database» more  ICDE 2005»
16 years 1 months ago
Progressive Distributed Top k Retrieval in Peer-to-Peer Networks
Query processing in traditional information management systems has moved from an exact match model to more flexible paradigms allowing cooperative retrieval by aggregating the dat...
Wolf-Tilo Balke, Wolfgang Nejdl, Wolf Siberski, Uw...
EDBT
2006
ACM
136views Database» more  EDBT 2006»
15 years 12 months ago
Optimizing Monitoring Queries over Distributed Data
Scientific data in the life sciences is distributed over various independent multi-format databases and is constantly expanding. We discuss a scenario where a life science research...
Frank Neven, Dieter Van de Craen
PODS
2004
ACM
147views Database» more  PODS 2004»
15 years 12 months ago
Flexible Time Management in Data Stream Systems
Continuous queries in a Data Stream Management System (DSMS) rely on time as a basis for windows on streams and for defining a consistent semantics for multiple streams and updata...
Utkarsh Srivastava, Jennifer Widom