Michael Shepherd

Publication List Details

Period

1961 - 2009

Number

87

Co-Authors

Comparing and Combining Dimension Reduction Techniques for Efficient Text Clustering (2009)

Bin Tang, Michael Shepherd, Evangelos Milios, Malcolm I. Heywood

A great challenge of text mining arises from the increasingly large text datasets and the high dimensionality associated with natural language. In this research, a systematic study is conducted of...

Formal Structure for Specifying the Content and Quality of the Electronic Health Record (2009)

H. Dominic Covvey, David Zitner, Daniel M. Berry, Donald D. Cowan, Michael Shepherd

This paper outlines a systematic approach to defining, eliciting, and specifying the structure and the information content of the Electronic Health Record.

Comparing and Combining Dimension Reduction Techniques for Efficient Text Clustering (2008)

Bin Tang, Michael Shepherd, Evangelos Milios, Malcolm I. Heywood

A great challenge of text mining arises from the increasingly large text datasets and the high dimensionality associated with natural language. In this research, a systematic study is conducted of...

Medical Portals: Web-based access to medical information (2008)

Michael Shepherd

Public portals, such as Web search engines, have been available for a number of years and corporate portals that facilitate access to enterprise information within a company, normally through the...

Document Retrieval using Proximity-based Phrase Searching (2008)

Kathryn Patterson, Carolyn Watters, Michael Shepherd

Exact phrase matching is a powerful tool to quickly retrieve results when a sufficient section of the text is accurately provided as the query. If the section of the text is not completely accurate,...

An Information Architecture to Support Dynamic Composition of Interactive Lessons and Reuse of Learning Objects (2008)

Melanie Kellar, Henry Stern, Carolyn Watters, Michael Shepherd

Contact author: shepherd In this paper we describe an information architecture that supports the dynamic composition of Web based lessons based on a database of fine grained components that can be...

Health Informatics Journal (2008)

Rekha Gaikwad, Ingrid Sketris, Michael Shepherd, Jack Duffy

Evaluation of accuracy of drug interaction alerts triggered by two electronic medical record systems in primary healthcare

Evaluation of Accuracy of Drug Interaction Alerts triggered by Two Electronic Medical Record Systems in Primary Health Care (2008)

Rekha Gaikwad, Ingrid Sketris, Michael Shepherd

This paper presents the study done to evaluate the accuracy of drug interaction (DI) alerts triggered by two Electronic Medical Record (EMR) systems used in primary health care. Elderly patients...

Linking Tacit Knowledge in the Pediatric Pain e-Mail Archives and Explicit Knowledge in PubMed (2008)

Zhixin Chen, Michael Shepherd, Syed Sibte, Raza Abidi

The goal of this research is to provide a means by which the tacit knowledge in an e-mail archive can be browsed in an organized manner and linked directly to the explicit knowledge found in PubMed....

An Information Architecture to Support Dynamic Composition of Interactive Lessons and Reuse of Learning Objects (2008)

Melanie Kellar, Henry Stern, Carolyn Watters, Michael Shepherd

Contact author: shepherd In this paper we describe an information architecture that supports the dynamic composition of Web based lessons based on a database of fine grained components that can be...

Abstract Lessons From Reading E-News for Browsing the Web: The Roles of Genre and Task (2008)

Michael Shepherd, Carolyn Watters, Raj Kaushik

An appreciation of the roles of genre and task is important in understanding how people browse the Web. Genre is characterized by content and form and is intimately linked to the task at hand. In...

A NOVEL SELF-ORGANIZING NETWORK DETERMINES THE PROPER CLUSTER STRUCTURE AUTOMATICALLY (2008)

Bin Tang, Malcolm Heywood, Michael Shepherd

Abstract – In this paper, we describe a novel self-organizing neural network model, the selforganization by balanced excitatory and inhibitory input model (SOBEII). Using balanced excitation and...

Abstract Building Trust for E-commerce: Collaborating Label Bureaus (2008)

Michael Shepherd, Anil Dhonde, Carolyn Watters

A major problem facing the full deployment of business-to-consumer (B2C) e-commerce is the development of trust on the side of the consumer. People develop trust in a business through their own...

Facilitating Knowledge Maintenance of Clinical Guidelines and Protocols (2008)

Syed Sibte, Raza Abidi, Allen Finley, Evangelos Milios, Michael Shepherd, David Zitner, ...

How To Use this Index: Scroll down or use the bookmarks in the left-hand frame to move to a new location in this index. Click on a blue title to view that paper. To return to this index after viewing...

Comparing Dimension Reduction Techniques for Document Clustering (2008)

Bin Tang, Michael Shepherd, Malcolm I. Heywood, Xiao Luo

Abstract. In this research, a systematic study is conducted of four dimension reduction techniques for the text clustering problem, using five benchmark data sets. Of the four methods-- Independent...

Linking Tacit Knowledge in the Pediatric Pain e-Mail Archives and Explicit Knowledge in PubMed (2008)

Zhixin Chen, Michael Shepherd, Syed Sibte, Raza Abidi

The goal of this research is to provide a means by which the tacit knowledge in an e-mail archive can be browsed in an organized manner and linked directly to the explicit knowledge found in PubMed....

Gestural De-Aggregation via Prosodic Structure (2008)

Dani Byrd, Rebeka Campos-astorkiza, Michael Shepherd

Abstract. It has been proposed that when two gestures involving the same articulator are organized with sufficient overlap, the resulting ‘gestural aggregation ’ blends or averages the two...

A Goal-based Classification of Web Information Tasks (2006)

Kellar, Melanie, Watters, Carolyn, Shepherd, Michael

While researchers have been studying user activity on the Web since its inception, there remains a lack of understanding of the high level tasks in which users engage on the Web. We have recently...

An Adaptive User Profile for Filtering News Based on a User Interest Hierarchy (2006)

Singh, Sarabdeep, Shepherd, Michael, Duffy, Jack, Watters, Carolyn

A prototype system for the filtering and ranking of news items has been developed and a pilot test has been conducted. The user’s interests are modeled by a user interest hierarchy based on...

A Goal-based Classification of Web Information Tasks (2006)

Kellar, Melanie, Watters, Carolyn, Shepherd, Michael

While researchers have been studying user activity on the Web since its inception, there remains a lack of understanding of the high level tasks in which users engage on the Web. We have recently...

An Adaptive User Profile for Filtering News Based on a User Interest Hierarchy (2006)

Singh, Sarabdeep, Shepherd, Michael, Duffy, Jack, Watters, Carolyn

A prototype system for the filtering and ranking of news items has been developed and a pilot test has been conducted. The user’s interests are modeled by a user interest hierarchy based on...

The Impact of Task on the Usage of Web Browser Navigation Tools (2006)

Melanie Kellar, Carolyn Watters, Michael Shepherd, Melanie Kellar, Carolyn Watters, Michael Shepherd

The design and improvement of existing web browser navigation tools is often motivated by reports of high tool usage in the literature. However, general usage data alone is not enough to understand...

A Goal-Based Classification of Web Information Tasks (2006)

Melanie Kellar, Carolyn Watters, Michael Shepherd

While researchers have been studying user activity on the Web since its inception, there remains a lack of understanding of the high level tasks in which users engage on the Web. We have recently...

Effect of Task on Time Spent Reading as an Implicit Measure of Interest (2004)

Melanie Kellar, Carolyn Watters, Jack Duffy, Michael Shepherd

Information Filtering systems learn user preferences either through explicit or implicit feedback. However, requiring users to explicitly rate items as part of the interface interaction can place a...

© Rinton Press CYBERGENRE: AUTOMATIC IDENTIFICATION OF HOME PAGES ON THE WEB (2004)

Michael Shepherd, Carolyn Watters, Alistair Kennedy

web pages by their genres. The long term goal is the incorporation of web page genre into the search process to improve the quality of the search results. In this phase, a neural net classifier was...

Browsing and Keyword-Based Profiles: A Cautionary Tale (2001)

Michael Shepherd, Carolyn Watters, Jack Duffy, Raj Kaushik

In this research, adaptive user profiles are used to rate Web pages with respect to possible user interest. The user profiles consist of weighted keywords and the adaptation is based on the Hebbian...

Browsing and Keyword-Based Profiles: A Cautionary Tale (2001)

Michael Shepherd, Carolyn Watters, Jack Duffy, Raj Kaushik

In this research, adaptive user profiles are used to rate Web pages with respect to possible user interest. The user profiles consist of weighted keywords and the adaptation is based on the Hebbian...

Psychotropic Drugs (1) Interaction Between Centrally Acting Drugs in Man: Some General Considerations

Shepherd, Michael

As a biological phenomenon the interaction between drugs may be viewed in `explanatory' or `empirical' terms. In clinical psychopharmacology the former is rarely possible: two examples are cited, one...