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ICPR
2010
IEEE
15 years 11 months ago
Motif Discovery and Feature Selection for CRF-Based Activity Recognition
Abstract—Due to their ability to model sequential data without making unnecessary independence assumptions, conditional random fields (CRFs) have become an increasingly popular ...
Liyue Zhao, Xi Wang, Gita Sukthankar
CHI
2004
ACM
16 years 6 months ago
Model-based evaluation of cell phone menu interaction
Cell phone interfaces are now ubiquitous. In this paper, we describe concepts to support the analysis of cell phone menu hierarchies. We present an empirical study of user perform...
Robert St. Amant, Thomas E. Horton, Frank E. Ritte...
WIDM
2004
ACM
15 years 12 months ago
User evaluation of the NASA technical report server recommendation service
We present the user evaluation of two recommendation server methodologies implemented for the NASA Technical Report Server (NTRS). One methodology for generating recommendations u...
Michael L. Nelson, Johan Bollen, JoAnne R. Calhoun...
ICONFERENCE
2012
14 years 2 months ago
Online social networks in a post-Soviet state: how Hungarians protect and share on Facebook
As Facebook has become global, users from different cultural and socio-political contexts have joined the site. We present a case study investigating how both current and historic...
Blase Ur, Yang Wang
TOG
2012
279views Communications» more  TOG 2012»
13 years 8 months ago
Sketch-based shape retrieval
We develop a system for 3D object retrieval based on sketched feature lines as input. For objective evaluation, we collect a large number of query sketches from human users that a...
Mathias Eitz, Ronald Richter, Tamy Boubekeur, Kris...