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ACM Transactions on Management Information Systems (TMIS), Volume 2 Issue 2, June 2011

Analyzing information systems researchers' productivity and impacts: A perspective on the H index
Paul Jen-Hwa Hu, Hsinchun Chen
Article No.: 7
DOI: 10.1145/1985347.1985348

Quantitative assessments of researchers' productivity and impacts are crucial for the information systems (IS) discipline. Motivated by its growing popularity and expanding use, we offer a perspective on the h index, which refers to the number of...

Digital goods and markets: Emerging issues and challenges
Sudip Bhattacharjee, Ram D. Gopal, James R. Marsden, Ramesh Sankaranarayanan
Article No.: 8
DOI: 10.1145/1985347.1985349

This research commentary examines the changing landscape of digital goods, and discusses important emerging issues for IS researchers to explore. We begin with a discussion of the major technological milestones that have shaped digital goods...

Explaining U.S. consumer behavior with news sentiment
Matthias W. Uhl
Article No.: 9
DOI: 10.1145/1985347.1985350

We introduce a novel dataset with a news sentiment index that was constructed from a selection of over 300,000 newspaper articles from five of the top ten U.S. newspapers by circulation. By constructing ARMA models, we show that news and consumer...

Risk hedging in storage grid markets: Do options add value to forwards?
Anna Ye Du, Sanjukta Das, Ram D. Gopal, R. Ramesh
Article No.: 10
DOI: 10.1145/1985347.1985351

Internet storage services allow businesses to move away from maintaining their own internal storage networks. Service providers currently follow a utility pricing model which translates to them absorbing all the risk that arises from the...

Who does what: Collaboration patterns in the wikipedia and their impact on article quality
Jun Liu, Sudha Ram
Article No.: 11
DOI: 10.1145/1985347.1985352

The quality of Wikipedia articles is debatable. On the one hand, existing research indicates that not only are people willing to contribute articles but the quality of these articles is close to that found in conventional encyclopedias. On the...

Trust in a specific technology: An investigation of its components and measures
D. Harrison Mcknight, Michelle Carter, Jason Bennett Thatcher, Paul F. Clay
Article No.: 12
DOI: 10.1145/1985347.1985353

Trust plays an important role in many Information Systems (IS)-enabled situations. Most IS research employs trust as a measure of interpersonal or person-to-firm relations, such as trust in a Web vendor or a virtual team member. Although trust in...