Professional and Research Activities

Dietmar Wolfram, Ph.D.

Professional and Research Activities

Education


Areas of Research Interest

Recent and Current Projects

Professional Society Membership


Professional and Research Publications

Articles

Wang, F., & Wolfram, D. (2015). Assessment of journal similarity based on citing discipline analysis. Journal of the Association for Information Science and Technology, 66(6), 1189-1198.

Wolfram, D. (2015). The symbiotic relationship between information retrieval and informetrics. Scientometrics, 102, 2201-2214. (Preprint)

Wolfram, D., & Zhao, Y. (2014). An exploration of journal similarity across six disciplines using citing discipline analysis. Journal of Informetrics, 8, 840-853.

Han, H.J., Joo, S., & Wolfram, D. (2014). Using transaction logs to better understand user search session patterns in an image-based digital library. Journal of the Korean Biblia Society for Library and Information Science, 25(1), 19-37. (expanded from the 2013 CAIS/ACSI conference paper below)

Lu, K., Ajiferuke, I., & Wolfram, D. (2014). Extending citer-based analysis to journal impact evaluation. Scientometrics, 100, 245-260. (expanded from the ISSI conference paper below)

Lu, K., & Wolfram, D. (2012). Measuring author research relatedness: A comparison of word-based, topic-based and author co-citation approaches. Journal of the American Society for Information Science and Technology, 63(10), 1973-1986. (Preprint)

Wolfram, D. (2012). An analysis of Canadian contributions to the information science research literature: 1989-2008. Canadian Journal of Information and Library Science, 36(1-2), 52-66.

Wu, Q., & Wolfram, D. (2011). The Influence of effects and phenomena on citations: A comparative analysis of four citation perspectives. Scientometrics, 89(1), 245-258. (Preprint)

Ajiferuke, I., Lu, K., & Wolfram, D. (2011). Who are the disciples of an author? Examining recitation and oeuvre citation exhaustivity. Journal of Informetrics, 5(2), 292-302. (Preprint)

Lu, K., Joo, S., & Wolfram, D. (2011). An investigation of Web resource distribution in the field of information science. Cybermetrics, 15(1). Available: http://cybermetrics.cindoc.csic.es/vol15iss1.html.

Lu, K., & Wolfram, D. (2010). Geographic characteristics of the growth of informetrics literature 1987-2008. Journal of Informetrics, 4(4), 591-601.

Ajiferuke, I., Lu, K., & Wolfram, D. (2010). A comparison of citer and citation-based measure outcomes for multiple disciplines. Journal of the American Society for Information Science and Technology, 61(10), 20862096.(Preprint)

Ajiferuke, I., & Wolfram, D. (2010). Citer analysis as a measure of research impact: Library and information science as a case study. Scientometrics, 83(3), 623-638.

Xie, I., & Wolfram, D. (2009). A longitudinal study of database usage within a general audience digital library. Journal of Digital Information. 10(4). Available: https://journals.tdl.org/jodi/article/view/304/505.

Wolfram, D., Olson, H.A., & Bloom, R. (2009). Measuring consistency for multiple taggers using vector space modeling. Journal of the American Society for Information Science and Technology, 60(10), 1995-2003.

Zhang, J., Wolfram, D., & Wang, P. (2009). Analysis of query keywords of sports-related queries using visualization and clustering. Journal of the American Society for Information Science and Technology, 60(8), 1550-1571.

Wolfram, D., Wang, P., & Zhang, J. (2009). Identifying Web search session patterns using cluster analysis: A comparison of three search environments. Journal of the American Society for Information Science and Technology, 60(5), 896-910.

Zhang, J., & Wolfram, D. (2009). Visual analysis of obesity-related query terms on HealthLink. Online Information Review, 33(1), 43-57.

Zhang, J., Wolfram, D., Wang, P., Hong, Y., & Gillis, R. (2008). Visualization of health subject analysis based on query term co-occurrences. Journal of the American Society for Information Science and Technology, 59(12), 1933-1947.

Olson, H.A., & Wolfram, D. (2008). Syntagmatic relationships and indexing consistency on a larger scale. Journal of Documentation, 64(4), 602-615.

Wolfram, D. (2008). Search characteristics in different types of Web-based IR environments: Are they the same? Information Processing & Management, 44, 1279-1292.

Wolfram, D., & Zhang, J. (2008). The influence of indexing practices and term weighting algorithms on document spaces. Journal of the American Society for Information Science and Technology, 59(1), 3-11.

Ajiferuke, I., Wolfram, D., & Famoye, F. (2006). Sample size and informetric model goodness-of-fit outcomes: A search engine log case study. Journal of Information Science, 32(3), 212-222.

Wolfram, D. (2006). Applications of SQL for informetric frequency distribution processing. Scientometrics, 67(2), 301-313.

Ajiferuke, I., & Wolfram, D. (2005). Analysis of web page image tag distribution characteristics. Information Processing & Management, 41(4), 987-1002.

Ajiferuke, I., & Wolfram, D. (2004). Modeling the characteristics of web page outlinks. Scientometrics, 59(1), 43-62.

Ajiferuke, I., & Wolfram, D. (2004). Informetric modeling of Internet search and browsing characteristics. Canadian Journal of Information and Library Science, 28(1), 1-16.

Spink, A., Jansen, B. J., Wolfram, D., & Saracevic. (2002). From e-sex to e-commerce: Web search changes. IEEE Computer Magazine, 35(3), 107-109.

Wolfram, D., & Xie, H. (2002). Traditional IR for Web users: A context for general audience digital libraries. Information Processing & Management, 38, 627-648.

Wolfram, D., & Zhang, J. (2002). An investigation of the influence of indexing exhaustivity and term distributions on a document space. Journal of the American Society for Information Science and Technology, 53(11), 943-952.

Xie, H., & Wolfram, D. (2002). State digital library usability: Contributing organizational factors. Journal of the American Society for Information Science and Technology. 53(13), 1085-1095.

Spink, A., Wolfram, D., Jansen, B. J. & Saracevic, T. (2001). Searching the web: The public and their queries. Journal of the American Society for Information Science and Technology. 52(3), 226-234.

Zhang, J., & Wolfram, D. (2001). Visualization of term discrimination analysis. Journal of the American Society for Information Science and Technology. 52(8), 615-627.

Wolfram, D., Spink, A., Jansen, B. J. & Saracevic, T. (2001). Vox populi: The public searching of the web. Journal of the American Society for Information Science and Technology, 52(12), 1073-1074.

Buchanan, E., Xie, H., Brown, M., & Wolfram, D. (2001). A systematic study of Web-based and traditional instruction in an MLIS program: Success factors and implications for curriculum design. Journal of Education for Library and Information Science, 42(4), 274-288. (See also: Study Web site)

Wolfram, D., & Zhang, J. (2001). The impact of term indexing characteristics on a document space Canadian Journal of Information and Library Science. 26(4), 21-35.

Wolfram, D. (2000). Applications of informetrics to information retrieval research. Informing Science. 3(2), 77-82. Available: http://inform.nu/Articles/Vol3/indexv3n2.htm

Ross, N. C. M., & Wolfram, D. (2000). End-user searching on the Internet: An analysis of term pair topics submitted to the Excite search engine. Journal of the American Society for Information Science. 51(10), 949-958.

Wolfram, D. (1999). Term co-occurrence in Internet search engine queries: An analysis of the Excite data set. Canadian Journal of Information and Library Science. 24(2/3), 12-33.

Wolfram, D., & Dimitroff, A. (1998). Hypertext vs.Boolean-based searching in a bibliographic database environment: a direct comparison of searcher performance. Information Processing & Management. 34(6), 669-679.

Senkevitch, J. J., & Wolfram, D. (1997). Internetworking the urban community: A longitudinal study of approaches to introducing adult new users to electronic information resources. Library and Information Science Research19(3), 249-264.

Wolfram, D., & Dimitroff, A. (1997). Searcher performance and perceptions of performance in a hypertext bibliographic retrieval system. Journal of the American Society for Information Science. 48(12), 1142-1145.

Dimitroff, A. Volz, A., & Wolfram, D. (1996). Affective response and retrieval performance: Effect of enhanced hypertext linkage environment. Library and Information Science Research. 18(Spring), 121-132.

Wolfram, D. (1996). Inter-record linkage structure in a hypertext bibliographic retrieval system. Journal of the American Society for Information Science.46(10), 765-774.

Wolfram, D., Volz, A. & Dimitroff, A. (1996). The effect of linkage structure on retrieval performance in a hypertext-based bibliographic retrieval system. Information Processing & Management. 32(5), 529-541.

Senkevitch, J., & Wolfram, D. (1996). Assessing the effectiveness of a model for educating rural librarians in using Internet resources. Journal of Education for Library and Information Science. 37(3), 272-285.

Dimitroff, A., & Wolfram, D. (1995). Searcher response in a hypertext-based bibliographic information retrieval system. Journal of the American Society for Information Science. 46(1), 22-29.

Hakanen, E. A., & Wolfram, D. (1995). Citation relationships among international mass communication journals. Journal of Information Science, 22(3), 9-15.

Wittig, C., & Wolfram, D. (1994). A survey of networking education in North American library schools. Library Trends, 42(4), 626-637.

Senkevitch, J. J., & Wolfram, D. (1994). Equalizing access to electronic networked resources: a model for rural libraries in the United States. Library Trends, 42(4), 661-675.

Wolfram, D. (1994). Audiographics for distance education: A case study in student attitudes and perceptions. Journal of Education for Library and Information Science, 35(3), 179-186.

Wolfram, D. (1992). Information retrieval system design issues in a microcomputer-based relational DBMS environment. Microcomputers for Information Management, 9(2), 89-101.

Wolfram, D., (1992). Applying informetric characteristics of databases to IR system file design, Part I: informetric models. Information Processing & Management, 28(1), 121-133.

Wolfram, D. (1992). Applying informetric characteristics of databases to IR system design, Part II: simulation comparisons. Information Processing & Management, 28(1), 135-151.

Chu, C., & Wolfram D. (1991). A survey of the growth of Canadian research in information science. Canadian Journal of Information Science, 16(1), 12-28.

Kinnucan, M., & Wolfram, D. (1990). Direct comparison of bibliometric models. Information Processing & Management, 26(6), 777-790.

Wolfram, D., & Chu, C.M. (1989). Information science in Canada: The present record. Scientia Canadensis, 13, 110-122.


Conference Proceedings

Lu, K., Ajiferuke, I., & Wolfram, D. (2013). Extending citer-based analysis to journal impact evaluation. In J. Gorraiz et al. (Eds.), In Proceedings of the 14th International Society for Scientometrics and Informetrics Conference (pp. 755-768).

Han, H.J., Joo, S., & Wolfram, D. (2013). Tales from transaction logs: User search session patterns in an image-based digital library. In Proceedings of the 35th Annual Conference of the Canadian Association for Information Science. Available: http://www.cais-acsi.ca/proceedings/2013/HanJooWolfram_submission_23.pdf

Wolfram, D., Wang, P., & Zhang, J. (2007). Modeling web session behavior using cluster analysis: A comparison of three search settings. In A. Grove (Ed.). ASIST 2007 - Proceedings of the 2007 ASIST Annual Meeting. v. 44 CD-ROM

Wang, P., Wolfram, D., Zhang, J., Hong, N., & Wu. L. (2007). Data modeling of web transaction logs. In A. Grove (Ed.). ASIST 2007 - Proceedings of the 2007 ASIST Annual Meeting. v. 44 CD-ROM

Wolfram, D., & Olson, H.A. (2007). A method for comparing large scale inter-indexer consistency using IR modeling. In Proceedings of the 35th Annual Conference of the Canadian Association for Information Science. Available: http://www.cais-acsi.ca/proceedings/2007/wolfram_2007.pdf

Wolfram, D. (2005). Applications of SQL for informetric data analysis. In Proceedings of the 33rd Annual Conference of the Canadian Association for Information Science. Available: http://www.cais-acsi.ca/proceedings/2005/wolfram_2005.pdf

Ajiferuke, I., Wolfram, D., & Xie, H. (2004). Modelling website visitation and resource usage characteristics by IP address data. In Proceedings of the 32nd Annual Conference of the Canadian Association for Information Science. Available: http://www.cais-acsi.ca/proceedings/2004/ajiferuke_2004.pdf

Wolfram, D., & Xie, H. (2001). State digital libraries: Developing systems for general audiences. In S. R. Urs, T. B. Rajashekar, K. S. Raghavan (Eds.). Proceedings of the 4th International Conference on Asian Digital Libraries (pp. 62-74), Mysore, India: University of Mysore.

Wolfram, D. (2000). A query-level examination of end user searching behaviour on the Excite search engine. In H. Olson, (Ed.). Proceedings of the 28th Annual Conference of the Canadian Association for Information Science. Available: http://www.slis.ualberta.ca/cais2000/wolfram.htm

Buchanan, E., Brown, M., Casanova, J., Wolfram, D. & Xie, H. (2000). Web-based and traditional instruction: A systematic study of student and instructor perceptions from a graduate MLIS program. In G. Davies & C. B. Owen (Eds.). Proceedings of WebNet 2000 World Conference on the WWW and Internet (pp. 655-656).

Wolfram, D., & Xie, H. (2000). End user database searching on the Internet: An analysis of the state of Wisconsin's Badgerlink service. In M.E. Williams (Ed.), Proceedings of the 21st National Online Meeting. (pp. 503-512). Medford, NJ: Information Today,

Dimitroff, A., & Wolfram, D. (1998). Comparison of contributing factors in system affective response in a Boolean and hypertext bibliographic database environment. In E.G. Toms, D.G. Campbell, J. Dunn (Eds.), Proceedings of the 26th Annual Conference of the Canadian Association for Information Science (pp. 339-352). Toronto: CAIS.

Wolfram, D. (1996).A hybridized hypertext and Boolean retrieval model for bibliographic databases. In G. Whitney (Ed.), The Digital Revolution: Assessing the Impact on Business, Education, and Social Structures. Proceedings of the 1996 ASIS Mid-year Meeting. (pp. 130-138). Medford, NJ: Information Today, Inc.

Senkevitch, J. J., & Wolfram, D. (1995). A model for educating librarians in smaller libraries about using electronic network resources, In Culture Keepers II: Unity Through Diversity, Proceedings of the BCALA Second National Conference of African American Librarians.

Dimitroff, A., & Wolfram, D. (1993). Design considerations for hypertext-based bibliographic retrieval systems. In 1993 Proceedings of the ASIS Annual Meeting (pp. 191-198). Medford, NJ: Information Today, Inc.

Wolfram, D., Chu, C. M., & Lu, X. (1990). Growth of knowledge: bibliometric analysis using online database data. In L. Egghe & R. Rousseau (Eds.), Informetrics 89/90 (pp. 355-372). Amsterdam: Elsevier Science Publishers.


Books and Book Chapters

Ding, Y., Rousseau, R., & Wolfram, D. (Eds.). (2014). Measuring scholarly impact: Methods and practice. Berlin: Springer.

Wolfram, D. (2003). Applied informetrics for information retrieval research. Westport, CT: Libraries Unlimited. ( Summary at Amazon.com)

Fong, W., Senkevitch, J., & Wolfram, D. (2003). The evolution of distance learning at the school of information studies, University of Wisconsin-Milwaukee. In D. Barron (Ed.), Benchmarks in Distance Education The LIS Experience (pp. 365-372). Libraries Unlimited.

Senkevitch, J. J., & Wolfram, D. (Eds.) (1995). Rural libraries and internetworking. Metuchen, NJ: Scarecrow Press.


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