427 search results - page 36 / 86 » Conjunctive Query Answering in EL using a Database System |
WIDM
2003
ACM
14 years 1 months ago
2003
ACM
Query rewriting using views is an essential issue in data integration. A number of algorithms, e.g., the bucket algorithm, the inverse rules algorithm, the SVB algorithm and the M...
CIDR
2003
13 years 10 months ago
2003
Traditional science searched for new objects and phenomena that led to discoveries. Tomorrow's science will combine together the large pool of information in scientific archi...
CIDR
2011
13 years 8 days ago
2011
Structured query language (SQL) is a classical way to access relational databases. Although SQL is powerful to query relational databases, it is rather hard for inexperienced user...
CSWWS
2006
14 years 11 days ago
2006
Bioinformaticians are accustomed to going through analysis steps, in which they employ several data sources, like protein sequence and protein interaction databases, to carry out t...
DEXA
2006
Springer
13 years 10 months ago
2006
Springer
Geographic information systems (GIS) must support large georeferenced data sets. Due to the size of these data sets finding exact answers to spatial queries can be very time consum...