Yuval Shahar

Publications242
h-index38
Citations6,445
Highly Influential Citations290
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The Asgaard project: a task-specific framework for the application and critiquing of time-oriented clinical guidelines
TLDR
We present a machine-readable language, called Asbru, to represent and to annotate clinical guidelines based on the task-specific ontology, developed using the PROTEGE-II framework. Expand
A Framework for Knowledge-Based Temporal Abstraction
TLDR
A new domain-independent knowledge-based inference structure is presented, specific to the task of abstracting higher-level concepts from time-stamped data. Expand
Synthesis of Research: EON: A Component-Based Approach to Automation of Protocol-Directed Therapy
TLDR
This paper presents a synthesis of research carried out at Stanford University to model the therapy-planning task and to demonstrate a component-based architecture for building protocol-based decision-support systems. Expand
Knowledge-based temporal abstraction in clinical domains
TLDR
We have defined a knowledge-based framework for the creation of abstract, interval-based concepts from time-stamped clinical data, the knowledge- based temporal-abstraction (KBTA) method. Expand
Task Modeling with Reusable Problem-Solving Methods
TLDR
Reusable problem-solving methods for knowledge-based systems establish the behavior of such systems by defining the roles in which domain knowledge is used and the ordering of inferences. Expand
A framework for a distributed, hybrid, multiple-ontology clinical-guideline library, and automated guideline-support tools
TLDR
We introduce a Web-based, modular, distributed architecture, the Digital Electronic Guideline Library (DeGeL, which facilitates gradual conversion of clinical guidelines from text to a formal representation in chosen target guideline ontology. Expand
Assessment of a personalized and distributed patient guidance system
TLDR
MobiGuide is an evidence-based, user-friendly, patient-centered mobile decision-support system for patients and clinicians, based on the continuous application of clinical guidelines and on semantically integrated electronic health records. Expand
A framework for distributed mediation of temporal-abstraction queries to clinical databases
TLDR
We have implemented the full IDAN modular architecture and demonstrated the feasibility of the distributed integration of medical knowledge sources with clinical data of heterogeneous sources. Expand
Representation of change in controlled medical terminologies
TLDR
We analyze the requirements of controlled medical terminologies and consider features that frame knowledge-representation systems and propose a change-documentation model that may be appropriate for controlled terminologies in health care. Expand
Medical Temporal-Knowledge Discovery via Temporal Abstraction
TLDR
We introduce a modular, fast time-interval mining method, KarmaLego, which exploits the transitivity inherent in temporal relations. Expand
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