7607 search results - page 73 / 1522 » Querying data provenance |
JLP
2000
14 years 9 months ago
2000
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
FSTTCS
2004
Springer
15 years 3 months ago
2004
Springer
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, ...
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IDEAS
2003
IEEE
15 years 3 months ago
2003
IEEE
In the past few years, much attention has been paid to the study of semistructured data, i.e., data with irregular, possibly unstable, and rapidly changing structure, and, in part...
UML
2001
Springer
15 years 2 months ago
2001
Springer
UML is the de-facto standard language for Object-Oriented analysis and design of information systems. Persistent storage and extraction of data in such systems is supported by dat...
ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— An approximate string query is to find from a collection of strings those that are similar to a given query string. Answering such queries is important in many applications su...