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CVPR
2009
IEEE
17 years 1 months ago
Vocabulary Hierarchy Optimization for Effective and Transferable Retrieval
Scalable image retrieval systems usually involve hierarchical quantization of local image descriptors, which produces a visual vocabulary for inverted indexing of images. Although ...
Rongrong Ji (Harbin Institute of Technology), Xing...
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
16 years 6 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
AGTIVE
2003
Springer
15 years 11 months ago
Integrating Graph Rewriting and Standard Software Tools
OptimixJ is a graph rewrite tool that can be embedded easily into the standard software process. Applications and models can be developed in Java or UML and extended by graph rewri...
Uwe Aßmann, Johan Lövdahl
PODS
2004
ACM
158views Database» more  PODS 2004»
16 years 6 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
EMSOFT
2009
Springer
16 years 1 months ago
Compositional deadlock detection for rendezvous communication
Concurrent programming languages are growing in importance with the advent of multi-core systems. However, concurrent programs suffer from problems, such as data races and deadloc...
Baolin Shao, Nalini Vasudevan, Stephen A. Edwards