Web Searching, Sponsored Search, Web Queries, and Other Research Articles by Professor Jim Jansen

Information about			Selected Publications	Recent Publications
Contact	Military	Dr. Jim Jansen	Zhang, Y., Jansen, B. J., Spink, A. (2009) Time Series Analysis of a Web Search Engine Transaction Log, Information Processing & Management. 45(2), 230-245. Jansen, B. J., Booth, D. and Smith, B. (2009) Using the taxonomy of cognitive learning to model online searching. Information Processing & Management.45(6), 643-663. Jansen, B. J. and Rieh, S. (2010) The Seventeen Theoretical Constructs of Information Searching and Information Retrieval. Journal of the American Society for Information Sciences and Technology. 61(8), 1517-1534. Jansen, B. J., Spink, A., and Saracevic, T. 1998. Failure analysis in query construction: Data and analysis from a large sample of web queries. The 3^rd ACM Conference on Digital Libraries. Pittsburgh, PA., 289-290. View in PDF. Jansen, B. J., Sobel, K., and Zhang, M. (2011) The Brand Effect of Key Phrases and Advertisements in Sponsored Search. International Journal of Electronic Commerce. 6(1), 77-106. Jansen, B. J., Zhang, M, Sobel, K, and Chowdury, A (2009) Twitter Power: Tweets as Electronic Word of Mouth. Journal of the American Society for Information Sciences and Technology, 60(11), 2169–2188. Jansen, B. J., Zhang, M., and Schultz, C. (2009) Search engine brand and the effect on user perception of searching performance. Journal of the American Society for Information Sciences and Technology.60(8), 1572-1595.	Liu, Z., and Jansen, B. J. (2016) ASK: A Taxonomy of Information Seeking Posts in Social Question and Answering. Journal of the Association for Information Science and Technology. Coughlin, D. and Jansen, B. J. (2015) Modeling Journal Bibliometrics to Predict Downloads and Inform Purchase Decisions at University Research Libraries. Journal of the Association for Information Science and Technology. Ortiz-Cordova, A., Yang, Y., and Jansen, B. J. (2015) External to Internal search: Associating Searching on Search Engines with Searching on Sites. Information Processing & Management. 51(5), 718–736. Coughlin, D., Campbell, M., and Jansen, B. J. (2015) A Web Analytics Approach for Appraising Electronic Resources in Academic Libraries. Journal of the Association for Information Science and Technology. Wong, J.S., Pursel, B., Divinsky, A. and Jansen, B. J. (2015). An Analysis of MOOC Discussion Forum Interactions from the Most Active Users. 2015 International Conference on Social Computing, Behavioral-Cultural Modeling, and Prediction (SBP15). Washington DC, p. 452-457. 31 Mar.-3 Apr. Liu, Z., and Jansen, B. J. (2015) Subjective versus Objective Questions: Perception of Question Subjectivity in Social Q&A. 2015 International Conference on Social Computing, Behavioral-Cultural Modeling, and Prediction (SBP15). Washington DC p. 131-140. 31 Mar.-3 Apr. (BEST PAPER -- All Liu's work!)
Academic	Personal
Email	Blog
Google Scholar Citation Listing To obtain copies of several search engine transaction logs Jim Jansen, Senior Fellow page at Pew Internet & American Life Project Wrapper - a freeware tool that tracks client-side interactions. The Wrapper is for noncommercial use in implementing user studies. Top postings from blog Web Search Searching as Learning! Classifying Web Queries by Topic and User Intent Is the Buying Funnel of Any Value for Keyword Advertising? Business engagement on Twitter: a path analysis Google Online Marketing Challenge 2012 at Penn State (Vistory Celebration!)

IN THE NEWS: No matter how good a search engine is, it sometimes is necessary to change the search terms to get the information you need. But what if you did not have to change the search terms yourself? What if the search engine could do that for you? See full story at http://live.psu.edu/story/40091 and also on my blog where I discuss query reformulation

IN THE NEWS: Researchers predict click-through behavior in Web searches
Jim Jansen, associate professor of information sciences and technology, Penn State, and colleagues, developed a measurement to gauge customer satisfaction with search engine results. They hope this metric will aid companies in optimization and marketing. See the full story at http://live.psu.edu/story/38192

IN THE NEWS: IMPAQT sponsors Google challenge class
IMPAQT, a Pittsburgh-based search engine marketing firm, has given a $1,000 grant to students competing in the Google Online Marketing Challenge this year to support their work in the competition. The challenge is part of IST 402, a class in emerging technologies taught by Jim Jansen, assistant professor of information sciences and technology. The class brings together students from IST, business and communications and exemplifies the interdisciplinary mission of the College of IST. As part of the course and the Google-sponsored competition, students are creating keyword advertising campaigns for businesses. See the full story at http://live.psu.edu/story/38239

IN THE NEWS: Ad click-through rate lower than previously thought
Jansen examined more than seven million interactions from hundreds of thousands of users to analyze the click-through patterns on both sponsored and non-sponsored links. Specifically studying the rate of clicks where the sponsored and non-sponsored ads are presented together, Jansen was investigating what effect this had on consumer behavior. See the full story at http://live.psu.edu/story/37906

IN THE NEWS: IST researchers classify Web searches
Jim Jansen, assistant professor in Penn State's College of Information Sciences and Technology, worked with IST undergraduate Danielle Booth, as well as Amanda Spink of the Queensland University of Technology, to find that Web search engine users are doing primarily informational, navigational or transactional searching. See full story at http://live.psu.edu/story/29879

IN THE NEWS: IST, Communications and Business Team for Google Challenge
Students from IST, the College of Communications and the Smeal College of Business are teaming up for what might be the world’s largest academic competition. IST Assistant Professor Jim Jansen’s e-marketing class, IST 402 Emerging Issues in Technology, is among more than 20,000 students in 61 countries competing in the Google Online Marketing Challenge. See full story at http://live.psu.edu/story/29647

IN THE NEWS: Clicks on sponsored links lower than previously reported
The analysis is one of the first-ever academic studies of sponsored-link click through using actual search engine data, said Jim Jansen, an assistant professor in the College of Information Sciences and Technology (IST) and lead author. For full story see http://live.psu.edu/story/25479

IN THE NEWS: Branding matters -- even when searching
"Given that there was no difference in the results, all of the search engines should have had the exact same score," said Jim Jansen, assistant professor and lead researcher. "Some emotional branding is having an effect here." For full story see http://live.psu.edu/story/24878

IN THE NEWS: Consumers suspicious of sponsored links
"Consumers have a bias against the links that businesses pay search engines to provide," said Jim Jansen, assistant professor in the Penn State School of Information Sciences and Technology (IST). "By themselves, sponsored links appear not to be a viable business model and should be only one part of an online advertising campaign. For full story see http://live.psu.edu/story/12348

Information for Current or Potential
Ph.D Students	Masters Students
Women in Science & Engineering Research (WISER)	Minority Undergraduate Research Experience (MURE)
Schreyer Honors College Thesis or Honors Independent Studies	IST Independent Studies Leveraging Search Engines for Successful E*commerce
Research Opportunities for PSU Undergraduates	Expert Witnessing Inquiries