1. One or more non-transitory computer-readable media storing computer-executable instructions that, when executed on one or more processors, cause the one or more processors to perform acts comprising: programming a computer-implemented classifier with multiple qualifications associated with a job description; receiving a first set of training resumes that specify the multiple qualifications; receiving a second set of training resumes that do not specify at least one of the multiple qualifications; training the computer-implemented classifier to categorize resumes as meeting the multiple qualifications or not meeting the multiple qualifications based at least in part on the first set of training resumes and the second set of training resumes, wherein the training the computer-implemented classifier produces a trained computer-implemented classifier; publishing a request to a pool of human workers via a crowdsourcing electronic marketplace to request the human workers to locate resumes that meet the multiple qualifications and to request contact information of candidates associated with the resumes, wherein the candidates are not included in the pool of human workers; receiving, based at least in part on the request, a resume of a candidate from a human worker included in the pool of human workers; and categorizing, using the trained computer-implemented classifier, the resume as either meeting the multiple qualifications or not meeting the multiple qualifications based at least in part on the contact information of the candidate being received from the human worker, and wherein the trained computer-implemented classifier applies predetermined criteria to classify the resume.