What's Behind This?

A notice posted by Social Security on FedBizOpps.Gov:

The Social Security Administration (SSA) has a requirement for contractor services to collect, classify, and analyze occupational characteristics; job information; and functional limitation information documented in electronic claims of SSA adult title II and title XVI disability claims. Additionally, the contractor will perform a review of claims adjudicated at the initial and hearings levels for claims allowed or denied based on vocational factors at Steps 4 and 5 of the Sequential Evaluation Process.