1,721,035 research outputs found
TEMPORAL PERSISTENCE IN VEGETATION COVER CHANGES OBSERVED FROM SATELLITE: DEVELOPMENT OF AN ESTIMATION PROCEDURE IN THE TEST SITE OF THE MEDITERRANEAN ITALY
No full textComment on "Variations in northern vegetation activity inferred from satellite data of vegetation index during 1981 to 1999" by L. Zhou et al.
No full textAn innovative method for detecting long range correlation and chaotic behaviors in DNA sequences.
No full textCOMPARISON OF MIVIS AND IKONOS DATA FOR HIGH RESOLUTION LAND COVER CLASSIFICATION IN A RURAL/MOUNTAINOUS AREA
No full textMultiresolution spatial characterization of land degradation phenomena in southern Italy from 1985 to 1999 using NOAA-AVHRR NDVI data
No full textIdentification of homogeneous phenological patterns for the characterization of vegetation recovery times on climatic scales
No full textInvestigating Clustering Structures in Time-Occurrence Sequences of Seismic Events Observed in the Irpinia-Basilicata Region (Southern Italy)
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Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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