228 search results - page 26 / 46 » Relational queries over interpreted structures |
243
click to vote
SIGMOD
2009
ACM
16 years 4 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...
148
click to vote
ER
2008
Springer
15 years 6 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
148
click to vote
PVLDB
2010
15 years 2 months ago
2010
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
147
click to vote
WEBDB
2007
Springer
15 years 10 months ago
2007
Springer
Open Information Extraction (OIE) is a recently-introduced type of information extraction that extracts small individual pieces of data from input text without any domainspecific...
141
click to vote
DEXAW
2005
IEEE
15 years 6 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...