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DATESO
2009
121views Database» more  DATESO 2009»
15 years 4 months ago
Translation of Ontology Retrieval Problem into Relational Queries
Ontology as a knowledge base can provide different reasoning tasks, e.g. to check consistency of the ontology or to check whether a resource is instance of a concept or not. In thi...
Jaroslav Pokorný, Jana Pribolová, Pe...
ADBIS
2009
Springer
210views Database» more  ADBIS 2009»
15 years 11 months ago
Performance Driven Database Design for Scalable Web Applications
Scaling up web applications requires distribution of load across multiple application servers and across multiple database servers. Distributing load across multiple application se...
Jozsef Patvarczki, Murali Mani, Neil T. Heffernan
ICDE
2010
IEEE
241views Database» more  ICDE 2010»
16 years 6 months ago
FlexPref: A Framework for Extensible Preference Evaluation in Database Systems
Personalized database systems give users answers tailored to their personal preferences. While numerous preference evaluation methods for databases have been proposed (e.g., skylin...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
SIGMOD
2012
ACM
212views Database» more  SIGMOD 2012»
13 years 9 months ago
Local structure and determinism in probabilistic databases
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
Theodoros Rekatsinas, Amol Deshpande, Lise Getoor
PODS
1995
ACM
139views Database» more  PODS 1995»
15 years 10 months ago
Normalizing Incomplete Databases
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...
Leonid Libkin