365 search results - page 51 / 73 » Answering Non-Monotonic Queries in Relational Data Exchange |
SAC
2010
ACM
15 years 4 months ago
2010
ACM
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...
BTW
2007
Springer
15 years 1 months ago
2007
Springer
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
167
Voted
ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
80
Voted
CAISE
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...