508 citations · 4.6k across the 83 of their papers we have counts for
19 papers · 1 filter
Second Order Operators in the NASA Astrophysics Data System
Michael J. Kurtz, Roman Chyla
Second Order Operators (SOOs) are database functions which form secondary queries based on attributes of the objects returned in an initial query; they can provide powerful methods…
Usage Bibliometrics as a Tool to Measure Research Activity
Edwin A. Henneken, Michael J. Kurtz
Measures for research activity and impact have become an integral ingredient in the assessment of a wide range of entities (individual researchers, organizations, instruments, regi…
A History of Cluster Analysis Using the Classification Society's Bibliography Over Four Decades
Fionn Murtagh, Michael J. Kurtz
The Classification Literature Automated Search Service, an annual bibliography based on citation of one or more of a set of around 80 book or journal publications, ran from 1972 to…
Usage Bibliometrics
Michael J. Kurtz, Johan Bollen
Scholarly usage data provides unique opportunities to address the known shortcomings of citation analysis. However, the collection, processing and analysis of usage data remains an…
Finding Your Literature Match -- A Recommender System
Edwin A. Henneken, Michael J. Kurtz, Alberto Accomazzi +6
The universe of potentially interesting, searchable literature is expanding continuously. Besides the normal expansion, there is an additional influx of literature because of inter…
The Bibliometric Properties of Article Readership Information
Michael J. Kurtz, Guenther Eichhorn, Alberto Accomazzi +5
The NASA Astrophysics Data System (ADS), along with astronomy's journals and data centers (a collaboration dubbed URANIA), has developed a distributed on-line digital library which…