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ICDE
1991
IEEE
175views Database» more  ICDE 1991»
14 years 1 months ago
Constraint-Based Reasoning in Deductive Databases
— Constraints play an important role in the efficient query evaluation in deductive databases. In this paper, constraint-based query evaluation in deductive databases is investi...
Jiawei Han
DBISP2P
2005
Springer
82views Database» more  DBISP2P 2005»
14 years 4 months ago
Range Query Optimization Leveraging Peer Heterogeneity in DHT Data Networks
In this work we address the issue of efficient processing of range queries in DHT-based P2P data networks. The novelty of the proposed approach lies on architectures, algorithms, ...
Nikos Ntarmos, Theoni Pitoura, Peter Triantafillou
EMNLP
2009
13 years 8 months ago
Improving Web Search Relevance with Semantic Features
Most existing information retrieval (IR) systems do not take much advantage of natural language processing (NLP) techniques due to the complexity and limited observed effectivenes...
Yumao Lu, Fuchun Peng, Gilad Mishne, Xing Wei, Ben...
ICIP
2010
IEEE
13 years 7 months ago
Implicit Motion-Shape Model: A generic approach for action matching
We develop a robust technique to find similar matches of human actions in video. Given a query video, Motion History Images (MHI) are constructed for consecutive keyframes. This i...
Tuan Hue Thi, Li Cheng, Jian Zhang, Li Wang
SIGMOD
2005
ACM
168views Database» more  SIGMOD 2005»
14 years 10 months ago
No pane, no gain: efficient evaluation of sliding-window aggregates over data streams
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
Jin Li, David Maier, Kristin Tufte, Vassilis Papad...