• Publications
  • Influence
Is the Sample Good Enough? Comparing Data from Twitter's Streaming API with Twitter's Firehose
Twitter is a social media giant famous for the exchange of short, 140-character messages called "tweets". In the scientific community, the microblogging site is known for openness in sharing itsExpand
  • 748
  • 61
Identification of coordination requirements: implications for the Design of collaboration and awareness tools
Task dependencies drive the need to coordinate work activities. We describe a technique for using automatically generated archi-val data to compute coordination requirements, i.e., who mustExpand
  • 418
  • 45
Individual Centrality and Performance in Virtual R&D Groups: An Empirical Study
Communication technologies support virtual RD however, the indirect effects were more consistent in both time periods. The clearest findings were that centrality mediates the effects of functionalExpand
  • 471
  • 37
Simulation modeling in organizational and management research
Simulation modeling provides a powerful methodology for advancing theory and research on complex behaviors and systems, yet it has been embraced more slowly in management than in some associatedExpand
  • 512
  • 37
Coding Choices for Textual Analysis: A Comparison of Content Analysis and Map Analysis
Content and map analysis, procedures for coding and understanding texts, are described and contrasted. Where content analysis focuses on the extraction of concepts from texts, map analysis focuses onExpand
  • 460
  • 35
Extracting Team Mental Models Through Textual Analysis
An approach, called map analysis, for extracting, analyzing and combining representations of individual’s mental models as cognitive maps is presented. This textual analysis technique allows theExpand
  • 348
  • 35
On the robustness of centrality measures under conditions of imperfect data
An analysis is conducted on the robustness of measures of centrality in the face of random error in the network data. We use random networks of varying sizes and densities and subject themExpand
  • 477
  • 32
Network Structure in Virtual Organizations
Virtual organizations that use e-mail to communicate and coordinate their work toward a common goal are becoming ubiquitous. However, little is known about how these organizations work. Much priorExpand
  • 452
  • 32
Extracting, Representing, and Analyzing Mental Models
When making decisions or talking to others, people use mental models of the world to evaluate choices and frame discussions. This paper describes a methodology for representing mental models as maps,Expand
  • 491
  • 30
A Theory of Group Stability
Some groups endure longer, are more stable, and are better able than other groups to incorporate new members or ideas without losing their distinctiveness. I present a simple model of individualExpand
  • 723
  • 28