1,721,075 research outputs found
Macchiarelli R., Weniger G.-C., éd. (2011) – Pleistocene Databases: Acquisition, Storing, Sharing, Mettmann, Neanderthal Museum (Wissenschaftliche Schriften, 4)
No full textCrevecoeur Isabelle. Macchiarelli R., Weniger G.-C., éd. (2011) – Pleistocene Databases: Acquisition, Storing, Sharing, Mettmann, Neanderthal Museum (Wissenschaftliche Schriften, 4). In: Bulletin de la Société préhistorique française, tome 110, n°3, 2013. pp. 552-554
Macchiarelli R., Weniger G.-C., éd. (2011) – Pleistocene Databases: Acquisition, Storing, Sharing, Mettmann, Neanderthal Museum (Wissenschaftliche Schriften, 4)
No full textCrevecoeur Isabelle. Macchiarelli R., Weniger G.-C., éd. (2011) – Pleistocene Databases: Acquisition, Storing, Sharing, Mettmann, Neanderthal Museum (Wissenschaftliche Schriften, 4). In: Bulletin de la Société préhistorique française, tome 110, n°3, 2013. pp. 552-554
Nature and relationships of Sahelanthropus tchadensis
Full text linkA partial left femur (TM 266-01-063) was recovered in July 2001 at Toros-Menalla, Chad, at the same fossiliferous location as the late Miocene holotype of Sahelanthropus tchadensis (the cranium TM 266-01-060-1). It was recognized as a probable primate femur in 2004 when one of the authors was undertaking a taphonomic survey of the fossil assemblages from Toros-Menalla. We are confident the TM 266 femoral shaft belongs to a hominid. It could sample a hominid hitherto unrepresented at Toros-Menalla, but a more parsimonious working hypothesis is that it belongs to S. tchadensis. The differences between TM 266 and the late Miocene Orrorin tugenensis partial femur BAR 1002′00, from Kenya, are consistent with maintaining at least a species-level distinction between S. tchadensis and O. tugenensis. The results of our preliminary functional analysis suggest the TM 266 femoral shaft belongs to an individual that was not habitually bipedal, something that should be taken into account when considering the relationships of S. tchadensis. The circumstances of its discovery should encourage researchers to check to see whether there is more postcranial evidence of S. tchadensis among the fossils recovered from Toros-Menalla
Individual chronology of enamel dental microdefects in the juvenile segment of the Portus Romae community
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Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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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