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ISCAS
2007
IEEE
371views Hardware» more  ISCAS 2007»
14 years 3 months ago
FIR Filter Approximation by IIR Filters Based on Discrete-Time Vector Fitting
— We present a novel way of approximating FIR filters by IIR structures through generalizing the vector fitting (VF) algorithm, popularly used in continuous-time frequency-doma...
Ngai Wong, Chi-Un Lei
ICDE
2007
IEEE
337views Database» more  ICDE 2007»
14 years 10 months ago
The New Casper: A Privacy-Aware Location-Based Database Server
This demo presents Casper; a framework in which users entertain anonymous location-based services. Casper consists of two main components; the location anonymizer that blurs the u...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref
CHI
2007
ACM
14 years 9 months ago
Sustainable interaction design: invention & disposal, renewal & reuse
This paper presents the perspective that sustainability can and should be a central focus of interaction design--a perspective that is termed Sustainable Interaction Design (SID)....
Eli Blevis
CHI
2007
ACM
14 years 9 months ago
Pictures at the ATM: exploring the usability of multiple graphical passwords
Users gain access to cash, confidential information and services at Automated Teller Machines (ATMs) via an authentication process involving a Personal Identification Number (PIN)...
Wendy Moncur, Grégory Leplâtre
CHI
2007
ACM
14 years 9 months ago
Modeling and understanding students' off-task behavior in intelligent tutoring systems
We present a machine-learned model that can automatically detect when a student using an intelligent tutoring system is off-task, i.e., engaged in behavior which does not involve ...
Ryan Shaun Joazeiro de Baker