456 search results - page 80 / 92 » Spreadsheet as a relational database engine |
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
We have developed a MultiMedia Visual Information Seeking (MMVIS) Environment that is the first system to support an integrated approach to the direct manipulation specification o...
SIGIR
1992
ACM
13 years 11 months ago
1992
ACM
ct tasks such as extraction of relational information from text [Young] [Jacobs]. We describe a method for classifying news stories using Alternative systems [Biebricher] [Lewis] u...
BMCBI
2007
13 years 7 months ago
2007
Background: Polyketides are secondary metabolites of microorganisms with diverse biological activities, including pharmacological functions such as antibiotic, antitumor and agroc...