491 search results - page 76 / 99 » Optimizing complex queries with multiple relation instances |
CIDR
2007
13 years 9 months ago
2007
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
SIGMOD
1999
ACM
13 years 12 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
INFOCOM
2002
IEEE
14 years 14 days ago
2002
IEEE
Abstract— In this paper, we address the problem of determining an optimal topology for Bluetooth Wireless Personal Area Networks (BT-WPANs). In BT-WPANs, multiple communication c...
STOC
2006
ACM
14 years 7 months ago
2006
ACM
One of the major tasks of evolutionary biology is the reconstruction of phylogenetic trees from molecular data. The evolutionary model is given by a Markov chain on the true evolu...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— A bloom filter is a simple, space-efficient, randomized data structure for concisely representing a static data set, in order to support approximate membership querie...