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» Optimization of Query Streams Using Semantic Prefetching
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EDBT
2008
ACM
135views Database» more  EDBT 2008»
14 years 7 months ago
Minimizing latency and memory in DSMS: a unified approach to quasi-optimal scheduling
Data Stream Management Systems (DSMSs) must support optimized execution scheduling of multiple continuous queries on massive, and frequently bursty, data streams. Previous approac...
Yijian Bai, Carlo Zaniolo
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 2 months ago
Dependency-aware reordering for parallelizing query optimization in multi-core CPUs
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
Wook-Shin Han, Jinsoo Lee
AH
2004
Springer
14 years 1 months ago
The Personal Reader: Personalizing and Enriching Learning Resources Using Semantic Web Technologies.
Traditional adaptive hypermedia systems have focused on providing adaptation functionality on a closed corpus, while Web search interfaces have delivered non-personalized informati...
Peter Dolog, Nicola Henze, Wolfgang Nejdl, Michael...
EDBTW
2004
Springer
14 years 1 months ago
Semantic Query Routing and Processing in P2P Database Systems: The ICS-FORTH SQPeer Middleware
Abstract. Peer-to-peer (P2P) computing is currently attracting enormous attention. In P2P systems a very large number of autonomous computing nodes (the peers) pool together their ...
Giorgos Kokkinidis, Vassilis Christophides
SSDBM
2007
IEEE
105views Database» more  SSDBM 2007»
14 years 2 months ago
Window-Oblivious Join: A Data-Driven Memory Management Scheme for Stream Join
Memory management is a critical issue in stream processing involving stateful operators such as join. Traditionally, the memory requirement for a stream join is query-driven: a qu...
Ji Wu, Kian-Lee Tan, Yongluan Zhou