708 search results - page 60 / 142 » Optimizing SQL Queries over Text Databases |
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
CAISE
1999
Springer
14 years 1 months ago
1999
Springer
A common problem within most large corporations nowadays is the diversity of database systems that are employed by their many departments in the development of a product. Usually, ...
ADC
2008
Springer
14 years 3 months ago
2008
Springer
With respect to current methods for query evaluation over XML data streams, adoption of certain types of buffering techniques is unavoidable. Under lots of circumstances, the buff...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
In this paper we argue that developing information extraction (IE) programs using Datalog with embedded procedural extraction predicates is a good way to proceed. First, compared ...
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...