Sciweavers

6654 search results - page 913 / 1331
» Querying Faceted Databases
Sort
View
IPMU
2010
Springer
15 years 5 months ago
Keeping Secrets in Possibilistic Knowledge Bases with Necessity-Valued Privacy Policies
Controlled Query Evaluation (CQE) is a logical framework for the protection of secrets in databases. In this article, we extend the CQE framework to possibilistic logic: knowledge ...
Lena Wiese
ICDE
2008
IEEE
191views Database» more  ICDE 2008»
16 years 8 months ago
An Algebraic Approach to Rule-Based Information Extraction
Traditional approaches to rule-based information extraction (IE) have primarily been based on regular expression grammars. However, these grammar-based systems have difficulty scal...
Frederick Reiss, Sriram Raghavan, Rajasekar Krishn...
ICDE
2007
IEEE
137views Database» more  ICDE 2007»
16 years 8 months ago
ProVeR: Probabilistic Video Retrieval using the Gauss-Tree
Modeling objects by probability density functions (pdf) is a new powerful method to represent complex objects in databases. By representing an object as a pdf, e.g. a Gaussian, it...
Alexey Pryakhin, Christian Böhm, Matthias Sch...
ICPR
2006
IEEE
16 years 8 months ago
Compound Stochastic Models For Fingerprint Individuality
The question of fingerprint individuality can be posed as follows: Given a query fingerprint, what is the probability that the observed number of minutiae matches with a template ...
Anil K. Jain, Sarat C. Dass, Yongfang Zhu
WWW
2005
ACM
16 years 7 months ago
Constructing extensible XQuery mappings
Constructing and maintaining semantic mappings are necessary but troublesome in data sharing systems. While most current work focuses on seeking automated techniques to solve this...
Gang Qian, Yisheng Dong