His research focused on the linguistic representation and associative searching in document retrieval, using a relational database, evaluating information retrieval theories, the management of information in corporate lawsuits, and the document-based decision support.
Wittgenstein, Language and Information: "Back to the Rough Ground!". Springer-Verlag New York, Inc., Secaucus, NJ, 2006.
Language and Representation in Information Retrieval. Elsevier North-Holland, Inc., New York, NY, 1990. ("Best Book in the World in Information Science")
David C. Blair and Steven O. Kimbrough (2002). "Exemplary documents: A foundation for information retrieval design," Information Processing and Management, vol. 38, no. 3, pp. 363–379.
David C. Blair (1992). "Information retrieval and the philosophy of language," The Computer Journal, vol. 35, no. 3, pp. 200–207.
David C. Blair and M. E. Maron (1985). "An evaluation of retrieval effectiveness for a full-text document-retrieval system," Communications of the ACM, vol. 28, no. 3, pp. 289–299.
David C. Blair (1980). "Searching biases in large interactive document retrieval systems." Journal of the American Society for Information Science, vol. 31, no. 4, pp. 271–277. ("Best Paper of the Year")