Community annotation experiment for ground truth generation for the i2b2 medication challenge.

ABSTRACT:

Objective

Within the context of the Third i2b2 Workshop on Natural Language Processing Challenges for Clinical Records, the authors (also referred to as 'the i2b2 medication challenge team' or 'the i2b2 team' for short) organized a community annotation experiment.

Design

For this experiment, the authors released annotation guidelines and a small set of annotated discharge summaries. They asked the participants of the Third i2b2 Workshop to annotate 10 discharge summaries per person; each discharge summary was annotated by two annotators from two different teams, and a third annotator from a third team resolved disagreements.

Measurements

In order to evaluate the reliability of the annotations thus produced, the authors measured community inter-annotator agreement and

SUBMITTER: Uzuner O 

PROVIDER: S-EPMC2995684 | biostudies-literature | 2010 Sep-Oct

REPOSITORIES: biostudies-literature