688 search results - page 132 / 138 » Types for trees |
CCS
2001
ACM
13 years 12 months ago
2001
ACM
Automated trust negotiation is an approach to establishing trust between strangers through the exchange of digital credentials and the use of access control policies that specify ...
ICDT
2001
ACM
13 years 12 months ago
2001
ACM
This paper presents a general methodology for the efficient parallelization of existing data cube construction algorithms. We describe two different partitioning strategies, one f...
ISPAN
1997
IEEE
13 years 11 months ago
1997
IEEE
This paper is concerned with the transparent parallelisation of declarative database queries, based on theoretical principles. We have designed an entire database architecture sui...
SIGMOD
1997
ACM
13 years 11 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
TAGT
1994
Springer
13 years 11 months ago
1994
Springer
An operation of concatenation is introduced for graphs. Then strings are viewed as expressions denoting graphs, and string languages are interpreted as graph languages. For a clas...