Content Analysis

• A method that gives unbiased estimates of the proportion of text documents in investigator-chosen categories, given only a small subset of hand-coded documents. Also includes the first correction for the far less-than-perfect levels of inter-coder reliability that typically characterize hand coding. Applications to sentiment detection about politicians in blog posts. Daniel Hopkins and Gary King. A Method of Automated Nonparametric Content Analysis for Social Science, forthcoming American Journal of Political Science (Abstract: HTML | Paper: PDF)
• A method of cluster analysis that encompasses (and thus outperforms) all existing methods; includes new cluster analysis evaluation techniques. Justin Grimmer and Gary King, Quantitative Discovery from Qualitative Information: A General-Purpose Document Clustering Methodology (Abstract: HTML | Paper: PDF)
• Methods to evaluate automated information extraction systems when coding rare events, the success of one such system, along with considerable data. Gary King and Will Lowe. An Automated Information Extraction Tool For International Conflict Data with Performance as Good as Human Coders: A Rare Events Evaluation Design, International Organization, Vol. 57, No. 03 (July, 2003): pp. 617-642. (Article: PDF | Abstract: HTML)
• A version of the previous article for a different audience: Will Lowe and Gary King. Some Statistical Methods for Evaluating Information Extraction Systems, in K. Pastra, ed. Proceedings of the Workshop on Evaluation Initiatives in Natural Language Processing. 10th Conference of the European Association for Computational Linguistics, Budapest, Hungary (2003): Pp. 19-26.

Software

• ReadMe: Software for Automated Content Analysis. (Website: ReadMe)

Data

• 10 Million International Dyadic Events, conflict and cooperation in international relations, 1990-2004, as evaluated by King and Lowe (2003), automatically coded from Reuters news reports. (Website: Events | Abstract: HTML)