710 search results - page 32 / 142 » Relational Expressive Power of Constraint Query Languages |
RR
2007
Springer
14 years 1 months ago
2007
Springer
For the foreseeable future, most data will continue to be stored in relational databases. To work with these data in ontology-based applications, tools and techniques that bridge t...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
ERCIMDL
1997
Springer
13 years 12 months ago
1997
Springer
Abstract. We present a model for complex documents possibly consisting of a hierarchically structured set of images or texts. Documents are represented both at the form level (as s...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
ICMAS
2000
13 years 9 months ago
2000
When shall I fly to New York? Which airline should I choose? How are these related to which airport I arrive at, to how I might travel into the city and to where I choose to stay?...