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» Indexing Distributed Complex Data for Complex Queries
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WWW
2003
ACM
16 years 7 months ago
Bridging the P2P and WWW Divide with DISCOVIR - DIStributed COntent-based Visual Information Retrieval
In the light of image retrieval evolving from text annotation to content-based and from standalone applications to web-based search engines, we foresee the need for deploying cont...
Ka Cheung Sia, Cheuk Hang Ng, Chi-Hang Chan
ICDE
2002
IEEE
130views Database» more  ICDE 2002»
16 years 8 months ago
Structural Joins: A Primitive for Efficient XML Query Pattern Matching
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
Shurug Al-Khalifa, H. V. Jagadish, Jignesh M. Pate...
ICDT
2007
ACM
126views Database» more  ICDT 2007»
16 years 24 days ago
Combining Incompleteness and Ranking in Tree Queries
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
Benny Kimelfeld, Yehoshua Sagiv
EDBT
1992
ACM
111views Database» more  EDBT 1992»
15 years 10 months ago
Pipelined Query Processing in the DBGraph Storage Model
The DBGraph storage model, designed for main memory DBMS, ensures both data storage compactness and efficient processing for all database operations. By representing the entire da...
Philippe Pucheral, Jean-Marc Thévenin
ESWS
2011
Springer
14 years 10 months ago
Optimizing Query Shortcuts in RDF Databases
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
Vicky Dritsou, Panos Constantopoulos, Antonios Del...