Curriculum Vitae

Dietmar Wolfram, Ph.D.


Education

  • Ph.D. University of Western Ontario (Western University).
    Dissertation Title: The Application of Informetrics to Information
    Retrieval Systems Design: A Simulation Study
  • M.L.I.S. University of Western Ontario.
  • B.Sc. (Honors) University of Western Ontario.

Areas of Research Interest

  • Applied informetrics and scholarly communication
  • Information retrieval (IR) system design & evaluation
  • Modeling and simulation of IR systems
  • User studies of IR systems
  • Information science education

Recent and Current Projects

  • Assessment of Open Peer Review (with P. Wang).
  • Data Sharing, Re-use and Citation (with H. Park).
  • Authorship Studies (with Carla Mara Hilario, Maria Cláudia Cabrini Grácio, & Daniel Martínez-Ávila).

Professional Society Membership


Professional and Research Publications

Articles

Bornmann, L., Guns, R., Thelwall, M., & Wolfram, D. (2021). Which aspects of the Open Science agenda are most relevant to scientometric research and publishing? An opinion paper. Quantitative Science Studies. DOI: https://doi.org/10.1162/qss_e_00121.

Wolfram, D., Wang, P., & Abuzahra, F. (2021). An exploration of referees’ comments published in open peer review journals: The characteristics of review language and the association between review scrutiny and citations. Research Evaluation. DOI: https://doi.org/10.1093/reseval/rvab005.

Yang, S., Zheng, M., Yu, Y., & Wolfram, D. (2021). Effectiveness of altmetric indexes on research evaluation of social sciences and humanities. Journal of Informetrics. 15(1).  DOI: https://doi.org/10.1016/j.joi.2020.101120.

Hassan, M.D. & Wolfram, D. (2020). “We need psychological support”: The information behaviors of African refugees in the United States. Aslib Journal of Information Management, 72(6), 869-885. DOI: https://doi.org/10.1108/AJIM-10-2019-0299.

Wolfram, D., Wang, P., Park, H., & Hembree, A. (2020). Open Peer Review: Promoting transparency in Open Science. Scientometrics. DOI: https://doi.org/10.1007/s11192-020-03488-4.

Hassan, M.D., Castanha, R.C.G., & Wolfram, D. (2020). Scientometric analysis of global trypanosomiasis research: 1988-2017. Journal of Infection and Public Health, 13(4), 514-520. DOI: https://doi.org/10.1016/j.jiph.2019.10.006.

Zhang, J., Zhao, Y., Wolfram, D., Ma, F. (2020). A study of Zika virus-related posts on Yahoo! Answers. Journal of the Association for Information Science and Technology. 71(3), 282-299. DOI: https://doi.org/10.1002/asi.24245.

Grácio, M. C. C., de Oliveira, E. F. T., & Wolfram, D. (2019). Produção científica latino-americana em estudos métricos da informaçãoanálise bibliométrica do período de 2011 a 2016. Brazilian Journal of Information Science: Research Trends, 13(4), 52-74.

Grácio, M. C. C., de Oliveira, E. F. T., & Wolfram, D. (2019). Production and impact of Brazilian papers in Library and Information Science journals (1986-2015). Ciência da Informação, 48(3). URL: http://revista.ibict.br/ciinf/article/view/4411.

Park, H. & Wolfram, D. (2019). Research software citation in the Data Citation Index: Current practices and implications for research software sharing and reuse. Journal of Informetrics, 13(2), 574-582. DOI: https://doi.org/10.1016/j.joi.2019.03.005.

Park, H., You, S., & Wolfram, D. (2018). Informal data citation for data sharing and re-use is more common than formal data citation in biomedical fields. Journal of the Association for Information Science and Technology, 69(11), 1346-1354. DOI: https://doi.org/10.1002/asi.24049.

Yang, S., Xing, X., & Wolfram, D. (2018). Difference in the impact of open-access papers published by China and the USA. Scientometrics, 115(2), 1017-1037. DOI: https://doi.org/10.1007/s11192-018-2697-7.

Hilário, C. M., Martínez-Ávila, D., Grácio, M. C. C., & Wolfram, D. (2018). Authorship in science: A critical analysis from a Foucauldian perspective. Research Evaluation, 27(2), 63-72. DOI: https://doi.org/10.1093/reseval/rvx041.

Castanha, R.C. & Wolfram, D. (2018). The domain of Knowledge Organization: A bibliometric analysis of prolific authors and their intellectual space. Knowledge Organization, 45(1) 13-22.

Park, H., & Wolfram, D. (2017). An examination of research data sharing and re-use: Implications for data citation practice. Scientometrics, 111(1), 443-461. DOI: http://dx.doi.org/10.1007/s11192-017-2240-2. (Preprint)

Yang, S., Wolfram, D., & Wang, F. (2017). The relationship between the author byline and contributions lists: A comparison of three general medical journals. Scientometrics, 110(3), 1273-1296. DOI: http://dx.doi.org/10.1007/s11192-016-2239-0.

Lu, K., Cai, X., Ajiferuke, I., & Wolfram, D. (2017). Vocabulary size and its effect on topic representation. Information Processing & Management. 53, 653-665. DOI: http://dx.doi.org/10.1016/j.ipm.2017.01.003.

Wang, P., You, S., Rath, M., & Wolfram, D. (2016). Open Peer Review: A web mining study of PeerJ authors and reviewers. Journal of Data and Information Science. 1(4). URL: http://www.jdis.org/EN/abstract/abstract8635.shtml#.

Wolfram, D. (2016). The power to influence: An informetric analysis of the works of Hope Olson. Knowledge Organization, 43(5), 331-337.

Han, H., & Wolfram, D. (2016). An Exploration of Search Session Patterns in an Image-based Digital Library. Journal of Information Science, 42(4), 477-491.

Yang, S., Han, R., Wolfram, D., & Zhao, Y. (2016). Visualizing the intellectual structure of information science (2006–2015): Introducing author keyword coupling analysis. Journal of Informetrics, 10(1), 132-150.

Bennett-Kapusniak, R., Glover, J., McCleer, A., Thiele, J., & Wolfram, D. (2016). Planning LIS doctoral education around a focused theme: A report on the B2A Program. Journal of Education for Library and Information Science, 57(1), 69-78. (Preprint)

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.

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), 2086–2096.

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.

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

Lyu, P. & Wolfram, D. (2018). Do longer articles gather more citations? Article length and scholarly impact among top biomedical journals. ASIST 2018 – Proceedings of the 81st ASIST Annual Meeting. 54.

Wolfram, D. (2017). Bibliometrics research in the era of Big Data: Challenges and opportunities. In R. Mugnaini, A. Fujino, N.Y. Kobashi (Eds.) Bibliometria e Cientometria no Brasil: infraestrutura para avaliação da pesquisa científica na Era do Big Data. (pp. 101-109). Sao Paulo: ECA-USP. Available on ResearchGate.

Wolfram, D. (2016). Bibliometrics, Information retrieval and natural language processing: Natural synergies to support digital library research. BIRNDL Workshop. JCDL Conference. Available: http://ceur-ws.org/Vol-1610/paper1.pdf.

Lu, K., Zhao, Y., Ajiferuke, I., & Wolfram, D. (2015). How related is author topical similarity to other author relatedness measures? In A. A. Salah et al. (Eds.), Proceedings of the 15th International Society for Scientometrics and Informetrics Conference. (pp. 899-908). Available: http://www.issi2015.org/files/downloads/all-papers/0899.pdf.

Jacobs, D., & Wolfram, D. (2014). Exploring author relatedness through citing  disciplines. In Proceedings of the 36th Annual Conference of the Canadian Association for Information Science. Available: http://www.cais-acsi.ca/ojs/index.php/cais/article/view/892/812.

Lu, K., Ajiferuke, I., & Wolfram, D. (2013). Extending citer-based analysis to journal impact evaluation. In J. Gorraiz et al. (Eds.), 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

Wolfram, D. (2020). O papel da biblioteca acadêmica na promoção efetiva da comunicação científica e das aplicações bibliométricas para a avaliação das pesquisas. [The academic library’s role in promoting effective scholarly communication and bibliometric applications for research assessment.] In Claudia Cabrini Gracio, Daniel Martinez Avila, Ely Tannuri de Oliveira and Fabio Sampaio Rosas (Eds.) Topicos da bibliometria para bibliotecas universitarias, (pp. 13-25). Marília: Oficina Universitária; São Paulo: Cultura Acadêmica.

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

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.