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» Roles in Information Systems: A Survey
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ACL
2011
14 years 5 months ago
Peeling Back the Layers: Detecting Event Role Fillers in Secondary Contexts
The goal of our research is to improve event extraction by learning to identify secondary role filler contexts in the absence of event keywords. We propose a multilayered event e...
Ruihong Huang, Ellen Riloff
AIED
2011
Springer
14 years 5 months ago
Workflow-Based Assessment of Student Online Activities with Topic and Dialogue Role Classification
The Pedagogical Assessment Workflow System (PAWS) is a new workflow-based pedagogical assessment framework that enables the efficient and robust integration of diverse datasets for...
Jun Ma, Jeon-Hyung Kang, Erin Shaw, Jihie Kim
NSPW
1998
ACM
15 years 6 months ago
Meta Objects for Access Control: a Formal Model for Role-Based Principals
Object-based programming is becoming more and more popular and is currently conquering the world of distributed programming models. In object-based systems access control is often...
Thomas Riechmann, Franz J. Hauck
SIGMOD
2004
ACM
116views Database» more  SIGMOD 2004»
16 years 2 months ago
The Role of Cryptography in Database Security
In traditional database security research, the database is usually assumed to be trustworthy. Under this assumption, the goal is to achieve security against external attacks (e.g....
Ueli M. Maurer
HICSS
2008
IEEE
106views Biometrics» more  HICSS 2008»
15 years 8 months ago
An Empirical Investigation of the Roles of Outcome Controls and Psychological Factors in Collaboration Technology Supported Virt
The purpose of this research is to examine whether outcome controls of group work (i.e. time pressure and reward) trigger psychological factors (i.e. distraction, motivation, and ...
Fang He, Souren Paul