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MSS
2003
IEEE
84views Hardware» more  MSS 2003»
14 years 2 months ago
Views, Objects, and Persistence for Accessing a High Volume Global Data Set
Efficient access methods are reviewed and explored in relation to the global surface hourly data set and several of its derivative products. Typical access paradigms are compared ...
Richard T. Baldwi
WWW
2003
ACM
14 years 9 months ago
On labeling schemes for the semantic web
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
Vassilis Christophides, Dimitris Plexousakis, Mich...
CORR
2007
Springer
77views Education» more  CORR 2007»
13 years 9 months ago
Query Evaluation and Optimization in the Semantic Web
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
Edna Ruckhaus, Eduardo Ruiz, Maria-Esther Vidal
ICDE
2001
IEEE
159views Database» more  ICDE 2001»
14 years 10 months ago
Workflow and Process Synchronization with Interaction Expressions and Graphs
Current workflow management technology does not provide adequate means for inter-workflow coordination as concurrently executing workflows are considered completely independent. W...
Christian Heinlein
ICDE
2003
IEEE
148views Database» more  ICDE 2003»
14 years 10 months ago
Efficient Computation of Subqueries in Complex OLAP
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
Michael H. Böhlen, Michael O. Akinde