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» Aggregation and Relevance in Deductive Databases
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BMCBI
2007
146views more  BMCBI 2007»
13 years 8 months ago
Spatial location and its relevance for terminological inferences in bio-ontologies
Background: An adequate and expressive ontological representation of biological organisms and their parts requires formal reasoning mechanisms for their relations of physical aggr...
Stefan Schulz, Kornél G. Markó, Udo ...
ER
2010
Springer
129views Database» more  ER 2010»
13 years 6 months ago
Specifying Aggregation Functions in Multidimensional Models with OCL
Multidimensional models are at the core of data warehouse systems, since they allow decision makers to early define the relevant information and queries that are required to satis...
Jordi Cabot, Jose-Norberto Mazón, Jes&uacut...
ICDE
2007
IEEE
94views Database» more  ICDE 2007»
14 years 9 months ago
RoXSum: Leveraging Data Aggregation and Batch Processing for XML Routing
Content-based routing is the primary form of communication within publish/subscribe systems. In those systems data transmission is performed by sophisticated overlay networks of c...
Zografoula Vagena, Mirella Moura Moro, Vassilis J....
ADC
2009
Springer
140views Database» more  ADC 2009»
14 years 2 months ago
Score Aggregation Techniques in Retrieval Experimentation
Comparative evaluations of information retrieval systems are based on a number of key premises, including that representative topic sets can be created, that suitable relevance ju...
Sri Devi Ravana, Alistair Moffat
IS
2008
13 years 8 months ago
The complexity and approximation of fixing numerical attributes in databases under integrity constraints
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
Leopoldo E. Bertossi, Loreto Bravo, Enrico Francon...