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SIGMOD
2003
ACM
237views Database» more  SIGMOD 2003»
15 years 12 months ago
Qcluster: Relevance Feedback Using Adaptive Clustering for Content-Based Image Retrieval
The learning-enhanced relevance feedback has been one of the most active research areas in content-based image retrieval in recent years. However, few methods using the relevance ...
Deok-Hwan Kim, Chin-Wan Chung
SIGMOD
2001
ACM
146views Database» more  SIGMOD 2001»
15 years 12 months ago
On Supporting Containment Queries in Relational Database Management Systems
Virtually all proposals for querying XML include a class of query we term "containment queries". It is also clear that in the foreseeable future, a substantial amount of...
Chun Zhang, Jeffrey F. Naughton, David J. DeWitt, ...
PODS
2007
ACM
159views Database» more  PODS 2007»
15 years 12 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
EDBT
2002
ACM
246views Database» more  EDBT 2002»
15 years 12 months ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt
MOBISYS
2008
ACM
15 years 11 months ago
Micro-Blog: sharing and querying content through mobile phones and social participation
Recent years have witnessed the impacts of distributed content sharing (Wikipedia, Blogger), social networks (Facebook, MySpace), sensor networks, and pervasive computing. We beli...
Al Schmidt, Jack Li, Landon P. Cox, Romit Roy Chou...