Artificial intelligence publications
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Software Supported Pattern Development in Intelligence Analysis
This paper describes the GEM pattern language for encoding analysts’ information needs in graphical patterns, and its use in the Link Analysis Workbench (LAW) system to find inexact matches to…
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Issues in Algorithm Characterization for Link Analysis
In this paper, we outline techniques for modeling algorithms that allow a system architecture to reason about their behavior and performance, individually and in combination.
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The Outcomes of Pathway Database Computations Depend on Pathway Ontology
Different biological notions of pathways are used in different pathway databases. Those pathway ontologies significantly impact pathway computations.
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Event Recognition in Airborne Motion Imagery
A system is described that detects high-level events of interest in airborne motion imagery.
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Evidence supporting predicted metabolic pathways for Vibrio cholerae: gene expression data and clinical tests
Using the completed V.cholerae genome sequence and PathoLogic software, we created VchoCyc, a pathway-genome database that predicted 171 likely metabolic pathways in the bacterium.
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The Pathway Tools Cellular Overview Diagram and Omics Viewer
Pathway Tools supports interrogation and exploration of cellular biochemical networks through the overview diagram and a software component called the Omics Viewer.
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A Cognitive Framework for Delegation to an Assistive User Agent
We present a BDI-based framework for a cognitive agent that acts as an assistant to a human user by performing tasks on her behalf. This framework accommodates: (1) user delegation…
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VERL: An ontology framework for representing and annotating video events
This article describes the findings of a recent workshop series that has produced an ontology framework for representing video events-called Video Event Representation Language (VERL) -and a companion annotation framework,…
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Task Management under Change and Uncertainty: Constraint Solving Experience with the CALO Project
We outline the challenges and opportunities presented by constraint solving in the presence of change and uncertainty, embodied in CALO's personalized time management and task reasoning and execution systems.
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A Personalized Time Management Assistant: Research Directions
This paper presents ongoing work to build the Personalized Time Manager (PTIME) system, a persistent assistant that builds on our previous work on a personalized calendar agent (PCalM) (Berry et…
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A Robust Method for Tracking Scene Text in Video Imagery
We describe an approach that tracks planar regions of scene text that can undergo arbitrary 3-D rigid motion and scale changes. Our approach computes homographies on blocks of contiguous frames…
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Masquerade Detection via Customized Grammars
We use the Sequitur algorithm to generate a context-free grammar which efficiently extracts repetitive sequences of commands executed by one user – which is mainly used to generate a profile of the…