Friday, January 28, 2011

i2b2 phenotyping challenges

Plenge, Bickel, Weber, Kohane, McGaw, Liao

Discussed the effortful process required to train a NLP filter for a given phenotype. We

Currently:

Step 1: Experts galore: (clinical, NLP, modeling/statistics, programmers)

Step 2: Build study-specific data mart

Step 3: Extract information

Step 4: Define "Gold Standards" from the extracted knowledge

Step 5: Build filter algorithm and apply to study at hand

Step 6: Not remember very well and loss of institutional memory regarding phenotypes

We reviewed several alternative, more fully automated models.

No comments: