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ER
2008
Springer
128views Database» more  ER 2008»
14 years 22 days ago
Temporal Constraints in Non-temporal Data Modelling Languages
It is common to find that the definition or common usage of a data modelling language causes there to be restrictions placed on the evolution of data values that are associated wit...
Peter McBrien
ADBIS
2001
Springer
115views Database» more  ADBIS 2001»
14 years 3 months ago
Interactive Constraint-Based Sequential Pattern Mining
Data mining is an interactive and iterative process. It is very likely that a user will execute a series of similar queries differing in pattern constraints and mining parameters,...
Marek Wojciechowski
ICDE
2010
IEEE
236views Database» more  ICDE 2010»
14 years 8 months ago
Explaining Structured Queries in Natural Language
— Many applications offer a form-based environment for na¨ıve users for accessing databases without being familiar with the database schema or a structured query language. User...
Alkis Simitsis, Georgia Koutrika, Yannis E. Ioanni...
DLOG
2008
14 years 1 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
FSTTCS
2004
Springer
14 years 4 months ago
Learning Languages from Positive Data and a Finite Number of Queries
A computational model for learning languages in the limit from full positive data and a bounded number of queries to the teacher (oracle) is introduced and explored. Equivalence, ...
Sanjay Jain, Efim B. Kinber