750 search results - page 56 / 150 » Aggregates in Possibilistic Databases |
VLDB
1991
ACM
14 years 1 months ago
1991
ACM
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...
SSDBM
1998
IEEE
14 years 2 months ago
1998
IEEE
On-Line Analytical Processing (OLAP) is a trend in database technology, which was recently introduced and has attracted the interest of a lot of research work. OLAP is based on th...
ICPR
2010
IEEE
13 years 8 months ago
2010
IEEE
Most enterprise data is distributed in multiple relational databases with expert-designed schema. Using traditional single-table machine learning techniques over such data not onl...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
: There has been an abundance of research within the last couple of decades in the area of multilevel secure (MLS) databases. Recent work in this field deals with the processing of...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Abstract. We describe the construction of a generic natural language query interface to an XML database. Our interface can accept an arbitrary English sentence as a query, which ca...