591 search results - page 35 / 119 » The complexity of XPath query evaluation |
PARLE
1992
14 years 25 days ago
1992
Complex and data-intensive database queries mandate parallel processing strategies to achieve sufficiently short response times. In praxis, parallel database processing is mostly b...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
JC
2007
13 years 8 months ago
2007
We study the complexity of approximating the smallest eigenvalue of −∆ + q with Dirichlet boundary conditions on the d-dimensional unit cube. Here ∆ is the Laplacian, and th...
DMKD
2004
ACM
14 years 2 months ago
2004
ACM
To enable information integration, schema matching is a critical step for discovering semantic correspondences of attributes across heterogeneous sources. As a new attempt, this p...