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EDBTW
2006
Springer
15 years 1 months ago
Semantically Correct Query Answers in the Presence of Null Values
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
TREC
1997
14 years 11 months ago
Short Queries, Natural Language and Spoken Document Retrieval: Experiments at Glasgow University
This paper contains a description of the methodology and results of the three TREC submissions made by the Glasgow IR group (glair). In addition to submitting to the ad hoc task, ...
Fabio Crestani, Mark Sanderson, Marcos Theophylact...
LAWEB
2008
IEEE
15 years 4 months ago
(Query) History Teaches Everything, Including the Future
“History Teaches Everything, Including the Future”, wrote Alphonse de Lamartine in the nineteen century. Even if history cannot be really considered a predictive science, hist...
Fabrizio Silvestri, Ranieri Baraglia, Claudio Lucc...
SIGMOD
2003
ACM
140views Database» more  SIGMOD 2003»
15 years 10 months ago
Stream Processing of XPath Queries with Predicates
We consider the problem of evaluating large numbers of XPath filters, each with many predicates, on a stream of XML documents. The solution we propose is to lazily construct a sin...
Ashish Kumar Gupta, Dan Suciu
SIGMOD
1998
ACM
115views Database» more  SIGMOD 1998»
15 years 2 months ago
Providing Database-like Access to the Web Using Queries Based on Textual Similarity
Most databases contain “name constants” like course numbers, personal names, and place names that correspond to entities in the real world. Previous work in integration of het...
William W. Cohen