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» Infomaster: An Information Integration System
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WWW
2001
ACM
16 years 12 days ago
Efficient Acquisition of Web Data through Restricted Query Interfaces
A wealth of information is available on the Web. But often, such data are hidden behind form interfaces which allow only a restrictive set of queries over the underlying databases...
Cláudio T. Silva, Juliana Freire, Simon Bye...
VRST
2009
ACM
15 years 6 months ago
Judgment of natural perspective projections in head-mounted display environments
The display units integrated in todays head-mounted displays (HMDs) provide only a limited field of view (FOV) to the virtual world. In order to present an undistorted view to th...
Frank Steinicke, Gerd Bruder, Klaus Hinrichs, Scot...
INFOCOM
2007
IEEE
15 years 6 months ago
QoS-Driven Power Allocation Over Parallel Fading Channels With Imperfect Channel Estimations in Wireless Networks
— We propose the quality-of-service (QoS) driven power allocation schemes for parallel fading channels when considering imperfect channel estimations. In particular, the parallel...
Jia Tang, Xi Zhang
CCS
2007
ACM
15 years 6 months ago
Managing RBAC states with transitive relations
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 ...
Chaoyi Pang, David P. Hansen, Anthony J. Maeder
ICMCS
2005
IEEE
119views Multimedia» more  ICMCS 2005»
15 years 5 months ago
Polyphonic Audio Key Finding Using the Spiral Array CEG Algorithm
Key finding is an integral step in content-based music indexing and retrieval. In this paper, we present an O(n) real-time algorithm for determining key from polyphonic audio. We ...
Ching-Hua Chuan, Elaine Chew