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VLDB
1997
ACM
165views Database» more  VLDB 1997»
15 years 4 months ago
DataGuides: Enabling Query Formulation and Optimization in Semistructured Databases
In semistructured databases there is no schema fixed in advance. To provide the benefits of a schema in such environments, we introduce DataGuides: concise and accurate structural...
Roy Goldman, Jennifer Widom
ICDE
2008
IEEE
194views Database» more  ICDE 2008»
16 years 1 months ago
P-Cube: Answering Preference Queries in Multi-Dimensional Space
Many new applications that involve decision making need online (i.e., OLAP-styled) preference analysis with multidimensional boolean selections. Typical preference queries includes...
Dong Xin, Jiawei Han
ICCS
2005
Springer
15 years 5 months ago
Merge-Based Computation of Minimal Generators
Abstract. Minimal generators (mingens) of concept intents are valuable elements of the Formal Concept Analysis (FCA) landscape, which are widely used in the database field, for da...
Céline Frambourg, Petko Valtchev, Robert Go...
CAEPIA
2003
Springer
15 years 5 months ago
A Document-Oriented Approach to the Development of Knowledge Based Systems
ADDS (Approach to Document-based Development of Software) is an approach to the development of applications based on a document-oriented paradigm. According to this paradigm, appli...
José Luis Sierra, Baltasar Fernández...
ODBIS
2007
Springer
144views Database» more  ODBIS 2007»
15 years 6 months ago
Maintaining Semantic Mappings between Database Schemas and Ontologies
There is a growing need to define a semantic mapping from a database schema to an ontology. Such a mapping is an integral part of the data integration systems that use an ontology...
Yuan An, Thodoros Topaloglou