“Who is key...?” – Value adding users in Enterprise Social Networks

The Measurement of Observer Agreement for Categorical Data

J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 78.9K citations · Full text

Public Health, Biostatistics, Categorical Data Analysis +12

Qualitative Data Analysis: An Expanded Sourcebook

Journal of Environmental Psychology · 1994 · 45.6K citations

Social Sciences, Sociology, Data Management +13

Centrality in social networks conceptual clarification

Linton C. Freeman · Social Networks · 1978 · 16.9K citations

Social Sciences, Sociology, Network Visualization +10

The Benefits of Facebook “Friends:” Social Capital and College Students’ Use of Online Social Network Sites

Nicole B. Ellison, Charles Steinfield, Cliff Lampe · Journal of Computer-Mediated Communication · 2007 · 9.8K citations · Full text

Social Sciences, Psychology, Social Psychology +15

Measuring nominal scale agreement among many raters.

Joseph L. Fleiss · Psychological Bulletin · 1971 · 8.5K citations

Education, Educational Assessment, Educational Measurement +13