An automated indexing system utilizing semantic net expansion

Vries, John K.; Marshalek, Bernadette; D'Abarno, Jennifer C.; Yount, Russell J.; Dunner, Laura L.

doi:10.1016/0010-4809(92)90018-6

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Performance Metrics: Comparing the System With The Reference Standard1

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Cited by 12 publications

(2 citation statements)

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“…After obtaining the approval of the Institutional Review Board of the University of Pittsburgh, the Medical Archival System (MARS) at the University of Pittsburgh Medical Center (UPMC) was retrospectively reviewed to identify patients undergoing elective laparoscopic or open colectomy between January 2004 and December 2006 [22]. MARS is an electronic medical record repository containing clinical, financial, and administrative data.…”

Section: Methodsmentioning

confidence: 99%

Short- and long-term costs of laparoscopic colectomy are significantly less than open colectomy

et al. 2010

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Section: Methodsmentioning

confidence: 99%

Short- and long-term costs of laparoscopic colectomy are significantly less than open colectomy

et al. 2010

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“…Recall and precision have been used frequently in information retrieval and knowledge-based tasks. [22][23][24][25][26][27][28][29][30][31] Recall is the proportion of responses that are considered positive in the reference standard and are marked positive by the system. Precision is the proportion of positive system responses that are positive in the reference standard.…”

Section: Performance Metrics: Comparing the System With The Reference Standardmentioning

confidence: 99%

Introduction

Lenert¹

2002

Journal of the American Medical Informatics Association

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Medical informatics systems are often designed to perform at the level of human experts. Evaluation of the performance of these systems is often constrained by lack of reference standards, either because the appropriate response is not known or because no simple appropriate response exists. Even when performance can be assessed, it is not always clear whether the performance is sufficient or reasonable. These challenges can be addressed if an evaluator enlists the help of clinical domain experts. 1) The experts can carry out the same tasks as the system, and then their responses can be combined to generate a reference standard. 2)The experts can judge the appropriateness of system output directly. 3) The experts can serve as comparison subjects with which the system can be compared. These are separate roles that have different implications for study design, metrics, and issues of reliability and validity. Diagrams help delineate the roles of experts in complex study designs.

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Evaluation of a Meta-1-based automatic indexing method for medical documents

Wagner

Cooper

1992

Computers and Biomedical Research

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An automated indexing system utilizing semantic net expansion

Cited by 12 publications

References 11 publications

Short- and long-term costs of laparoscopic colectomy are significantly less than open colectomy

Short- and long-term costs of laparoscopic colectomy are significantly less than open colectomy

Introduction

Evaluation of a Meta-1-based automatic indexing method for medical documents

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