Sciweavers

857 search results - page 92 / 172
» Efficient recursive XML query processing using relational da...
Sort
View
BTW
2007
Springer
122views Database» more  BTW 2007»
15 years 9 months ago
YAWN: A Semantically Annotated Wikipedia XML Corpus
: The paper presents YAWN, a system to convert the well-known and widely used Wikipedia collection into an XML corpus with semantically rich, self-explaining tags. We introduce alg...
Ralf Schenkel, Fabian M. Suchanek, Gjergji Kasneci
VLDB
1989
ACM
114views Database» more  VLDB 1989»
15 years 7 months ago
Extending the Relational Algebra to Capture Complex Objects
An important direction in database research for non-standard applications (e.g. engineering or design applications) deals with adequate support for complex objects. Without doubt,...
Bernhard Mitschang
249
Voted
SIGMOD
2009
ACM
250views Database» more  SIGMOD 2009»
16 years 3 months ago
Query processing techniques for solid state drives
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...
Dimitris Tsirogiannis, Stavros Harizopoulos, Mehul...
ICDE
2006
IEEE
119views Database» more  ICDE 2006»
16 years 4 months ago
Laws for Rewriting Queries Containing Division Operators
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...
Ralf Rantzau, Christoph Mangold
VLDB
1991
ACM
135views Database» more  VLDB 1991»
15 years 6 months ago
A Framework for Automating Physical Database Design
We propose a two-pha.se algorithm for physical database design. In phase one the algorithm, for each logical query, losesrules to determine characteristics of a physical design (s...
Steve Rozen, Dennis Shasha