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1998
IEEE
13 years 12 months ago
A Logic of Action, Causality, and the Temporal Relations of Events
In this paper, we propose a logic of action and causality. The most important part of our contribution is a semantics that integrates action, temporal structure, and probability. ...
Richard B. Scherl, Glenn Shafer
VL
1998
IEEE
134views Visual Languages» more  VL 1998»
13 years 12 months ago
Visual Semantics - Or: What You See is What You Compute
We introduce visual graphs as an intermediate repren between concrete visual syntax and abstract graph syntax. In a visual graph some nodes are shown as geometric figures, and som...
Martin Erwig
VL
1998
IEEE
172views Visual Languages» more  VL 1998»
13 years 12 months ago
VIQING: Visual Interactive Querying
This paper presents VIQING, an environment for expressing queries via direct manipulation of data visualizations. VIQING provides a simple graphical interface for connecting visua...
Chris Olston, Michael Stonebraker, Alexander Aiken...
WETICE
1998
IEEE
13 years 12 months ago
WebGroup: A Secure Group Access Control Tool for the World-Wide Web
We present an integrated secure group access control tool to support workgroups on the World-Wide Web. The system enables user authentication, encrypted communication and fine-gra...
Fabien A. P. Petitcolas, Kan Zhang
ACSE
1998
ACM
13 years 12 months ago
Building a rigorous research agenda into changes to teaching
: Building research into teaching has particular value in the current academic climate; this paper considers why and reflects on the particular need for Computer Science education ...
Mats Daniels, Marian Petre, Anders Berglund