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SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
16 years 6 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa
SIGMOD
2002
ACM
172views Database» more  SIGMOD 2002»
16 years 6 months ago
Automating physical database design in a parallel database
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...
Jun Rao, Chun Zhang, Nimrod Megiddo, Guy M. Lohman
EDBT
2006
ACM
137views Database» more  EDBT 2006»
16 years 6 months ago
IQN Routing: Integrating Quality and Novelty in P2P Querying and Ranking
Abstract. We consider a collaboration of peers autonomously crawling the Web. A pivotal issue when designing a peer-to-peer (P2P) Web search engine in this environment is query rou...
Sebastian Michel, Matthias Bender, Peter Triantafi...
MOBIHOC
2003
ACM
16 years 6 months ago
Worst-Case optimal and average-case efficient geometric ad-hoc routing
In this paper we present GOAFR, a new geometric ad-hoc routing algorithm combining greedy and face routing. We evaluate this algorithm by both rigorous analysis and comprehensive ...
Fabian Kuhn, Roger Wattenhofer, Aaron Zollinger
ICCAD
2004
IEEE
127views Hardware» more  ICCAD 2004»
16 years 3 months ago
A yield improvement methodology using pre- and post-silicon statistical clock scheduling
— In deep sub-micron technologies, process variations can cause significant path delay and clock skew uncertainties thereby lead to timing failure and yield loss. In this paper,...
Jeng-Liang Tsai, Dong Hyun Baik, Charlie Chung-Pin...