An Evaluation of feedback in Document Retrieval using Co‐Occurrence Data. - David J. Harper; C. J. van Rijsbergen (J. Documentation, 1978)

Using Probabilistic Models of Document Retrieval without Relevance Information. - W. Bruce Croft; David J. Harper (J. Documentation, 1979)

The selection of good search terms. - C. J. van Rijsbergen; David J. Harper; Martin F. Porter (Inf. Process. Manag., 1981)

Minstrel-ODM: a basic office data model. - David J. Harper; J. Dunnion; Michael Sherwood-Smith; C. J. van Rijsbergen (Inf. Process. Manag., 1986)

Interactive querying techniques for an office filing facility. - Joan M. Morrissey; David J. Harper; C. J. van Rijsbergen (Inf. Process. Manag., 1986)

Data Management for Object-Oriented Systems. - David J. Harper; Moira C. Norrie (BNCOD, 1991)

A Method for the Specification of Relational Database Applications. - Roberto Souto Maior de Barros; David J. Harper (Z User Workshop, 1991)

Formal Development of Relational Database Applications. - Roberto S. M. Barros; David J. Harper (Specifications of Database Systems, 1992)

ECLAIR: An Extensible Class Library for Information Retrieval. - David J. Harper; Andrew D. M. Walker (Comput. J., 1992)

A Case Study of Object-Oriented Query Languages. - Daniel Kim Chung Chan; David J. Harper; Philip W. Trinder (CISMOD, 1993)

Detecting Semantic Violations in Generalised Classification Structures. - Stephen Blott; Moira C. Norrie; David J. Harper; Andrew D. M. Walker (ICICIS, 1993)

An Object-Oriented Data Model Specification. - Daniel Kim Chung Chan; David J. Harper; Philip W. Trinder (ICCI, 1993)

An Architecture for Implementing Extensible Information-Seeking Environments. - David G. Hendry; David J. Harper (SIGIR, 1996)

Gerard (Gerry) Salton. - Maristella Agosti; Micheline Beaulieu; Cyril W. Cleverdon; Hans-Peter Frei; Norbert Fuhr; David J. Harper; Peter Ingwersen; E. Michael Keen; Rainer Kuhlen; Stephen E. Robertson; Alan F. Smeaton; Karen Sparck Jones; et al. (J. Documentation, 1996)

A Retrieval Mechanism for Semi-Structured Photographic Collections. - Joemon M. Jose; David J. Harper (DEXA, 1997)

An Informal Information-Seeking Environment. - David G. Hendry; David J. Harper (J. Am. Soc. Inf. Sci., 1997)

Spatial Querying for Image Retrieval: A User-Oriented Evaluation. - Joemon M. Jose; Jonathan Furner; David J. Harper (SIGIR, 1998)

The WebCluster Project: Using Clustering for Mediating Access to the World Wide Web. - Mourad Mechkour; David J. Harper; Gheorghe Muresan (SIGIR, 1998)

Document Clustering for Mediated Information Access. - David J. Harper; Mourad Mechkour; Gheorghe Muresan (BCS-IRSG Annual Colloquium on IR Research, 1999)

WebCluster, a Tool for Mediated Information Access (demonstration abstract). - Gheorghe Muresan; David J. Harper; Mourad Mechkour (SIGIR, 1999)

Report on CIR99, the 2nd UK Conference on "The Challenge of Image Retrieval". - David J. Harper (SIGIR Forum, 1999)

ClusterBook, a tool for dual information access (panel session). - Gheorghe Muresan; David J. Harper; Ayse Göker; Peter Lowit (SIGIR, 2000)

Combining PPM Models Using a Text Mining Approach. - W. J. Teahan; David J. Harper (Data Compression Conference, 2001)

Document Clustering and Language Models for System-Mediated Information Access. - Gheorghe Muresan; David J. Harper (ECDL, 2001)

An Object-Oriented Framework for Developing Information Retrieval Applications. - Joemon M. Jose; David G. Hendry; David J. Harper (OOIS, 2001)

A language modelling approach to relevance profiling for document browsing. - David J. Harper; Sara Coulthard; Yixing Sun (JCDL, 2002)

Combining evidence for automatic Web session identification. - Daqing He; Ayse Göker; David J. Harper (Inf. Process. Manag., 2002)

Query-Based Document Skimming: A User-Centred Evaluation of Relevance Profiling. - David J. Harper; Ivan Koychev; Yixing Sun (ECIR, 2003)

Challenges in information retrieval and language modeling: report of a workshop held at the center for intelligent information retrieval, University of Massachusetts Amherst, September 2002. - James Allan; Jay Aslam; Nicholas J. Belkin; Chris Buckley; James P. Callan; W. Bruce Croft; Susan T. Dumais; Norbert Fuhr; Donna Harman; David J. Harper; Djoerd Hiemstra; Thomas Hofmann; et al. (SIGIR Forum, 2003)

On the Effectiveness of Relevance Profiling. - David J. Harper; David Lee (ADCS, 2004)

Supporting federated information sharing communities. - Bicheng Liu; David J. Harper; Stuart N. K. Watt (SIGIR, 2004)

Design of an e-book user interface and visualizations to support reading for comprehension. - Yixing Sun; David J. Harper; Stuart N. K. Watt (SIGIR, 2004)

The Robert Gordon University's HARD Track Experiments at TREC 2004. - David J. Harper; Gheorghe Muresan; Bicheng Liu; Ivan Koychev; Dietrich Wettschereck; Nirmalie Wiratunga (TREC, 2004)

Within-Document Retrieval: A User-Centred Evaluation of Relevance Profiling. - David J. Harper; Ivan Koychev; Yixing Sun; Iain Pirie (Inf. Retr., 2004)

Topic modeling for mediated access to very large document collections. - Gheorghe Muresan; David J. Harper (J. Assoc. Inf. Sci. Technol., 2004)

Aiding Comprehension in Electronic Books Using Contextual Information. - Yixing Sun; David J. Harper; Stuart N. K. Watt (ECDL, 2005)

Information sharing through rational links and viewpoint retrieval. - Bicheng Liu; David J. Harper; Stuart N. K. Watt (SIGIR, 2005)

Contextual relevance feedback. - David J. Harper; Diane Kelly 001 (IIiX, 2006)

Compact Representations in XML Retrieval. - Fang Huang; Stuart N. K. Watt; David J. Harper; Malcolm Clark (INEX, 2006)

The Robert Gordon University. - Malcolm Clark; Ulises Cerviño Beresi; Stuart N. K. Watt; David J. Harper (TREC, 2006)

Supervised Latent Semantic Indexing Using Adaptive Sprinkling. - Sutanu Chakraborti; Rahman Mukras; Robert Lothian; Nirmalie Wiratunga; Stuart N. K. Watt; David J. Harper (IJCAI, 2007)

Questionnaire mode effects in interactive information retrieval experiments. - Diane Kelly 001; David J. Harper; Brian Landau (Inf. Process. Manag., 2008)