590 search results - page 45 / 118 » SPARK: A Keyword Search Engine on Relational Databases |
DGO
2011
12 years 7 months ago
2011
The past few years have seen an explosive growth in scientific and regulatory documents related to the patent system. Relevant information is siloed into many heterogeneous and di...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
KDD
2009
ACM
14 years 9 days ago
2009
ACM
This paper aims at discovering community structure in rich media social networks, through analysis of time-varying, multi-relational data. Community structure represents the laten...
SIGIR
2003
ACM
14 years 29 days ago
2003
ACM
Hierarchies provide a means of organizing, summarizing and accessing information. We describe a method for automatically generating hierarchies from small collections of text, and...
ICDE
1993
IEEE
13 years 12 months ago
1993
IEEE
Emerging database application domains demand not only new functionality but also high performance. To satisfy these two requirements, the Volcano project provides efficient, exten...