204 search results - page 18 / 41 » Indexing for Data Models with Constraints and Classes |
OPODIS
2004
14 years 11 months ago
2004
Abstract. We present a formalism for modeling replication in a distributed system with concurrent users sharing information. It is based on actions, which represent operations requ...
AMAI
1998
Springer
14 years 9 months ago
1998
Springer
Overgeneralization is a major issue in the identification of grammars for formal languages from positive data. Different formulations of generalization and specialization strate...
92
Voted
ECIR
2010
Springer
14 years 11 months ago
2010
Springer
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity t...
ICST
2008
IEEE
15 years 4 months ago
2008
IEEE
Testing remains a major challenge for model transformation development. Test models that are used as test data for model transformations, are constrained by various sources of kno...
DLOG
2008
14 years 12 months ago
2008
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...