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SAC
2006
ACM
16 years 18 days ago
Efficient query routing for information retrieval in semantic overlays
A fundamental problem in peer-to-peer networks is how to locate appropriate peers efficiently to answer a specific query request. This paper proposes a model in which semantically...
Hai Jin, Xiaoming Ning, Hanhua Chen, Zuoning Yin
FQAS
2009
Springer
196views Database» more  FQAS 2009»
15 years 11 months ago
Flexible SPARQL Querying of Web Data Tables Driven by an Ontology
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...
Patrice Buche, Juliette Dibie-Barthélemy, H...
VLDB
2001
ACM
115views Database» more  VLDB 2001»
15 years 11 months ago
Dynamic Update Cube for Range-sum Queries
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
Seok-Ju Chun, Chin-Wan Chung, Ju-Hong Lee, Seok-Ly...
SIGMOD
1999
ACM
127views Database» more  SIGMOD 1999»
15 years 11 months ago
An Adaptive Query Execution System for Data Integration
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
Zachary G. Ives, Daniela Florescu, Marc Friedman, ...
LREC
2010
123views Education» more  LREC 2010»
15 years 8 months ago
Querying Diverse Treebanks in a Uniform Way
This paper presents a system for querying treebanks in a uniform way. The system is able to work with both dependency and constituency based treebanks in any language. We demonstr...
Jan Stepánek, Petr Pajas