M. Zitt’s works related to IR – bibliometrics relationship Cocitation retrieval performance Improving retrieval-recall of cocitation clusters by expansion.

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M. Zitt’s works related to IR – bibliometrics relationship Cocitation retrieval performance Improving retrieval-recall of cocitation clusters by expansion and textual validation: Reassessment of cocitation methods for science indicators, Zitt & Bassecoulard, Scmetrics 1996 Model of maximal retrieval-recall of citing literature in a stylised cocitation process Bridging citation and reference distributions, Zitt, Ramanana, Bassecoulard, Scmetrics 2003 Hybrid citation-words methods for field delineation, classification, comparison Field delineation using IR queries (precision-oriented) enriched by citation analysis (recall-oriented) Delineating complex scientific fields by a hybrid lexical-citation method: An application to nanosciences, Zitt & Bassecoulard, IPM 2006 Delineation of the genomics field by hybrid citation-lexical methods: interaction with experts and validation process, Laurens, Zitt, Bassecoulard, Scmetrics 2010 Robustness of bibliometric mapping: convergence and divergence of bib-coupling and text-coupling Hybrid citation-word representations in science mapping, Zitt, Lelu, Bassecoulard, Jasist 2011 (Background of citation analysis) Citing-side weighting of links in citation networks Modifying the Journal Impact Factor by Fractional Citation Weighting: the Audience Factor, Zitt & Small, Jasist 2008, and other papers on the topic

Challenging issues Meso-level (topic and domain delineation) Optimizing combination of focused IR, typically bottom-up, and mapping, especially for delineating topics and domains Find optimal combinations of multi-network approaches combining/comparing Citations Texts (lexical and semantic approaches) Authors/ communities Taking the best of each world data-mining mix and/or " sociologically-correct" juxtapositions trade-off technical efficiency, easy interpretation of processes and maps, expressive power of metaphors e.g. geographic

National Institute of Agronomic Research (Inra, Paris) Researcher at Inra (National Institute for Agronomic Research, France), department of agriculture economics and sociology, now SAE2. Early studies at Lereco lab (Nantes) on innovation in the agrofood field 1989 Launches a scientometrics team with Elise Bassecoulard to date: micro-level scientometric research and studies 2013 retired - associated with the Lereco lab on scientometrics projects Observatory of Sciences and Techniques (OST) Paris Participates in the early steps of Observatoire des Sciences et des Techniques (OST, Paris) founded 1990, devoted to S&T indicators in France: projects on bibliometric database infrastructure; development of science macro-indicators project leader and partner: indicators methodogy, scientometric research and studies OST R&D team; advisor on scientometrics and indicators. Main areas of research Citation measures, impact normalization, science mapping, hybrid word-citation methods, journals qualification, S-T relation, citation networks de Solla Price medal (2009) Michel Zitt, born 1947, French Background: Engineer, PhD management sciences, ‘Thèse d'état' economics