1500 search results - page 130 / 300 » Query Optimization in Database Grid |
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
We consider the problem of evaluating large numbers of XPath filters, each with many predicates, on a stream of XML documents. The solution we propose is to lazily construct a sin...
VLDB
1998
ACM
14 years 1 months ago
1998
ACM
In this paper, we present the results that we have obtained by comparing and testing three well-known database middleware solutions. We have analyzed their features related to glo...
ICDE
2010
IEEE
13 years 9 months ago
2010
IEEE
Abstract— Modern database management systems (DBMS) answer a multitude of complex queries on increasingly larger datasets. Given the complexities of the queries and the numerous ...
GPC
2007
Springer
14 years 3 months ago
2007
Springer
Sharing huge databases in distributed systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer sufficient. A more ef...