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» Perspectives on ontology-based querying
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INFOCOM
2011
IEEE
12 years 11 months ago
Continuous multi-dimensional top-k query processing in sensor networks
—Top-k query has long been an important topic in many fields of computer science. Efficient implementation of the top-k queries is the key for information searching. With the n...
Hongbo Jiang, Jie Cheng, Dan Wang, Chonggang Wang,...
DASFAA
2004
IEEE
86views Database» more  DASFAA 2004»
13 years 11 months ago
Supporting Exploratory Queries in Databases
Users of database applications, especially in the e-commerce domain, often resort to exploratory "trial-and-error" queries since the underlying data space is huge and unf...
Abhijit Kadlag, Amol V. Wanjari, Juliana Freire, J...
ICADL
2004
Springer
141views Education» more  ICADL 2004»
14 years 1 months ago
Exploiting Extended Service-Oriented Architecture for Federated Digital Libraries
In order to support various requirements from the user’s perspective, digital library (DL) systems may need to apply a large variety of services, such as query services for a spe...
Hao Ding, Ingeborg Sølvberg
SSDBM
2005
IEEE
184views Database» more  SSDBM 2005»
14 years 1 months ago
Optimizing Multiple Top-K Queries over Joins
Advanced Data Mining applications require more and more support from relational database engines. Especially clustering applications in high dimensional features space demand a pr...
Dirk Habich, Wolfgang Lehner, Alexander Hinneburg
CORR
2011
Springer
209views Education» more  CORR 2011»
13 years 2 months ago
An Empirical Study of Real-World SPARQL Queries
Understanding how users tailor their SPARQL queries is crucial when designing query evaluation engines or fine-tuning RDF stores with performance in mind. In this paper we analyz...
Mario Arias, Javier D. Fernández, Miguel A....