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» Similarity for Conceptual Querying
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ICDE
2010
IEEE
801views Database» more  ICDE 2010»
15 years 9 months ago
The Similarity Join Database Operator
Similarity joins have been studied as key operations in multiple application domains, e.g., record linkage, data cleaning, multimedia and video applications, and phenomena detectio...
Mohamed H. Ali, Walid G. Aref, Yasin N. Silva
SIGIR
1996
ACM
15 years 1 months ago
A Deductive Data Model for Query Expansion
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
Kalervo Järvelin, Jaana Kristensen, Timo Niem...
ADC
1995
Springer
90views Database» more  ADC 1995»
15 years 1 months ago
Computer Supported Query Formulation in an Evolving Context
Even if high-level query languages are used, query formulation may cause problems. This is notably so in case of large and complex application domains. Typical examples of these k...
Arthur H. M. ter Hofstede, Henderik Alex Proper, T...
ICSM
2005
IEEE
15 years 3 months ago
The Conceptual Cohesion of Classes
While often defined in informal ways, software cohesion reflects important properties of modules in a software system. Cohesion measurement has been used for quality assessment, f...
Andrian Marcus, Denys Poshyvanyk
AO
2005
75views more  AO 2005»
14 years 9 months ago
A multi-layered ontology for comparing relationship semantics in conceptual models of databases
Relationships are an integral part of the design of a database. Comparing and integrating relationships from heterogeneous databases requires that the relationships be mapped to ea...
Sandeep Purao, Veda C. Storey