1675 search results - page 139 / 335 » Implementing Data Cubes Efficiently |
VLDB
1989
ACM
14 years 2 months ago
1989
ACM
A method is described for actively interfacing an Object-Oriented Database Management System (OODBMS) to application pre grams. The method, called a database monitor, observes how...
SODA
2004
ACM
13 years 11 months ago
2004
ACM
We show that 4-universal hashing can be implemented efficiently using tabulated 4-universal hashing for characters, gaining a factor of 5 in speed over the fastest existing method...
TDHMS
2008
13 years 10 months ago
2008
Application of covering codes to data embedding improves embedding efficiency and security of steganographic schemes. In this paper, we describe several familes of covering codes c...
ICDE
2001
IEEE
14 years 11 months ago
2001
IEEE
We present a new algorithm for mining maximal frequent itemsets from a transactional database. Our algorithm is especially efficient when the itemsets in the database are very lon...
WSC
2004
13 years 11 months ago
2004
Exactly computing network reliability measures is an NPhard problem. Therefore, Monte Carlo simulation has been frequently used by network designers to obtain accurate estimates. ...