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» Scalable Package Queries in Relational Database Systems
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KRDB
1994
81views Database» more  KRDB 1994»
14 years 11 months ago
Frames, Objects and Relations: Three Semantic Levels for Knowledge Base Systems
We propose an architecture for large-scale knowledge base systems based on database technologies and the three levels of semantic construct - frames, objects and relations. The in...
Moira C. Norrie, Ulrich Reimer, Peter Lippuner, Mi...
PODS
2010
ACM
249views Database» more  PODS 2010»
15 years 3 months ago
Semantic query optimization in the presence of types
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
Michael Meier 0002, Michael Schmidt, Fang Wei, Geo...
69
Voted
CIVR
2004
Springer
131views Image Analysis» more  CIVR 2004»
15 years 3 months ago
An Empirical Investigation of the Scalability of a Multiple Viewpoint CBIR System
Our work in content-based image retrieval (CBIR) relies on content-analysis of multiple representations of an image which we term multiple viewpoints or channels. The conceptual id...
James C. French, Xiangyu Jin, Worthy N. Martin
85
Voted
PKDD
2009
Springer
135views Data Mining» more  PKDD 2009»
15 years 4 months ago
Syntactic Structural Kernels for Natural Language Interfaces to Databases
A core problem in data mining is to retrieve data in a easy and human friendly way. Automatically translating natural language questions into SQL queries would allow for the design...
Alessandra Giordani, Alessandro Moschitti
ICDE
2003
IEEE
117views Database» more  ICDE 2003»
15 years 11 months ago
Design and Implementation of a Temporal Extension of SQL
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
Cindy Xinmin Chen, Jiejun Kong, Carlo Zaniolo