Bob Allen's Research Highlights

Recommender Systems: The first publication of the basic algorithms used in recommendation systems. This work also establishes the connection between recommender systems and personality theory.

Allen, R.B., User models: Method, theory, and practice. International Journal of Man-Machine Studies 32 1990, 511-543. PDF
Allen, R.B., Mental models and user models. Handbook of Human-Computer Interaction (2nd edition). Edited by: M. Helander, T.K. Landauer, and P. Prabhu, Elsevier Science, 1997, 49-63. PDF

Allen, R.B., Interface issues for interactive multimedia documents. In: Forum on Research and Technology Advances in Digital Libraries, Edited by: N. Adam et al., 1995, Springer-Verlag, (also Proceedings Digital Library Forum, May 1995, McLean, VA, pages 133-141), PDF
England, P., Allen, R.B., Sullivan, M., Bianchi, M., Heybey, A., and Dailianas, A., IBrowse: The Bellcore Video Library Toolkit. Proceedings SPIE Photonics West'96: Electronic Imaging Science and Technology '96: Storage and Retrieval for Image and Video Databases IV. (San Jose Jan. 1996). PDF

Faceted Classifications: The first interactive browser for faceted classifications.

Allen, R.B., Retrieval from facet spaces, Electronic Publishing, 247-257, 8, 1996. HTML, PDF

Events, Causes, and Timelines: The first published interactive timeline (that I know of)

Allen, R.B., Timelines as information system interfaces. Proceedings International Symposium on Digital Libraries (Tsukuba, Japan, Aug. 1995), 175-180. HTML, PDF
Kumar, V., Furuta, R., and Allen, R.B., Metadata visualization for digital libraries: Interactive timeline editing and review. ACM Digital Libraries, 1998, 126-133. ACM
Allen, R.B., Building an Event Gazetteer, ACM/IEEE Joint Conference on Digital Libraries (short paper), 2004. ACM
Allen, R.B., Wu, Y.J., and Luo, J., Interactive Causal Schematics for Qualitative Scientific Explanations, International Conference on Asian Digital Libraries, 2005.
Allen, R.B., A Focus-Context Timeline for Browsing Historical Newspapers. ACM/IEEE Joint Conference on Digital Libraries, 2005, 260-261. ACM, PDF.

Allen, R.B. and Schalow, J., Metadata and data structures for the Historical Newspaper Digital Library Project, ACM CIKM, Kansas City, November, 1999. PDF, ACM.
Allen, R.B., Using information visualization to support access of archival records. Journal of Archival Organization, 3(1), 2005, 37-49.
Allen, R.B., Japzon, A., Achananuparp,P., and Lee, K-J., A Framework for Text Processing and Supporting Access to Collections of Digitized Historical Newspapers. HCI International Conference, 2007, PDF

Allen, R.B., Connectionist language users. Connection Science 2 1990, 279-311.

Allen, R.B., What every ISchool student should know: Information as a fundamental construct, IConference 2005.
Achananuparp,P. and Allen, R.B., Developing a Student-Friendly Repository for Teaching Principles of Repository Management, DigCCurr 2007, Chapel Hill, NC, PDF.

Allen, R.B. and Breckler, S.J., Human factors of telephone-mediated interactive electronic games, ACM SIGPC/SIGSMALL Conference Proceedings (San Diego, Dec. 1983), 200-205.

Neuromorphic Learning: A patented VLSI circuit that implements the Boltzmann learning algorithm.

Alspector, J. and Allen, R.B., A neuromorphic VLSI learning system In: P. Losleben (Ed.): 1987 Stanford Conference on Advanced Research in VLSI (MIT Press, Cambridge, MA), 1987, 313-349.