1391 search results - page 179 / 279 » Complexity Limitations on Quantum Computation |
ICDT
1999
ACM
14 years 12 days ago
1999
ACM
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
HPCA
1998
IEEE
14 years 12 days ago
1998
IEEE
As we look to the future, and the prospect of a billion transistors on a chip, it seems inevitable that microprocessors will exploit having multiple parallel threads. To achieve t...
IPPS
1998
IEEE
14 years 11 days ago
1998
IEEE
Software DSMs have been a research topic for over a decade. While good performance has been achieved in some cases, consistent performance has continued to elude researchers. This...
VLDB
1999
ACM
14 years 11 days ago
1999
ACM
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
SOFSEM
1998
Springer
14 years 10 days ago
1998
Springer
Abstract. Formal methods based on the mathematical theory of partially ordered sets (i.e., posets) have been used in the database field for the modelling of spatial data since many...