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SSDBM
2007
IEEE
121views Database» more  SSDBM 2007»
15 years 6 months ago
Cost-based Optimization of Complex Scientific Queries
High energy physics scientists analyze large amounts of data looking for interesting events when particles collide. These analyses are easily expressed using complex queries that ...
Ruslan Fomkin, Tore Risch
ICCSA
2007
Springer
15 years 1 months ago
Improving the Customization of Natural Language Interface to Databases Using an Ontology
Natural language interfaces to databases are considered one of the best alternatives for final users who wish to make complex, uncommon and frequent queries, which is a very common...
M. Jose A. Zarate, Rodolfo A. Pazos, Alexander F. ...
KRDB
1994
81views Database» more  KRDB 1994»
15 years 1 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...
96
Voted
LREC
2008
103views Education» more  LREC 2008»
15 years 1 months ago
From Field Notes towards a Knowledge Base
We describe the process of converting plain text cultural heritage data to elements of a domain-specific knowledge base, using general machine learning techniques. First, digitise...
Piroska Lendvai, Steve Hunt
AC
1992
Springer
15 years 3 months ago
Logic and Databases
Logic and databases have gone a long way together since the advent of relational databases. Already the rst basic query languages for relational databases beside relational algebra...
Johann Eder