191 search results - page 36 / 39 » XPath Query Evaluation: Improving Time and Space Efficiency |
ICDE
1993
IEEE
14 years 16 days ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
EACL
2006
ACL Anthology
13 years 9 months ago
2006
ACL Anthology
We investigate a series of graph-theoretic constraints on non-projective dependency parsing and their effect on expressivity, i.e. whether they allow naturally occurring syntactic...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Entity matching is an important and difficult step for integrating web data. To reduce the typically high execution time for matching we investigate how we can perform entity matc...
VTC
2006
IEEE
14 years 2 months ago
2006
IEEE
— In wireless communications, the channel consists of many resolvable paths with different time delays, resulting in a severely frequency-selective fading channel. The frequencyd...
MOBICOM
2010
ACM
13 years 8 months ago
2010
ACM
Information on site-specific spectrum characteristics is essential to evaluate and improve the performance of wireless networks. However, it is usually very costly to obtain accur...