{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:39:32Z","timestamp":1787017172694,"version":"build-2736575974"},"reference-count":15,"publisher":"World Scientific Pub Co Pte Ltd","issue":"03","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Advs. Complex Syst."],"published-print":{"date-parts":[[2011,6]]},"abstract":"<jats:p>Community shared bicycle systems, such as the V\u00e9lo'v program launched in Lyon in May 2005, are public transportation programs that can be studied as a complex system composed of interconnected stations that exchange bicycles. They generate digital footprints that reveal the activity in the city over time and space, making possible a quantitative analysis of movements using bicycles in the city. A careful study relying on nonstationary statistical modeling and data mining allows us to first model the time evolution of the dynamics of movements with V\u00e9lo'v, that is mostly cyclostationary over the week with nonstationary evolutions over larger time-scales, and second to disentangle the spatial patterns to understand and visualize the flows of V\u00e9lo'v bicycles in the city. This study gives insights on the social behaviors of the users of this intermodal transportation system, the objective being to help in designing and planning policy in urban transportation.<\/jats:p>","DOI":"10.1142\/s0219525911002950","type":"journal-article","created":{"date-parts":[[2011,6,28]],"date-time":"2011-06-28T11:33:53Z","timestamp":1309260833000},"page":"415-438","source":"Crossref","is-referenced-by-count":198,"title":["SHARED BICYCLES IN A CITY: A SIGNAL PROCESSING AND DATA ANALYSIS PERSPECTIVE"],"prefix":"10.1142","volume":"14","author":[{"given":"PIERRE","family":"BORGNAT","sequence":"first","affiliation":[{"name":"CNRS, Laboratoire de Physique (UMR 5672 CNRS), \u00c9cole Normale Sup\u00e9rieure de Lyon, Universit\u00e9 de Lyon, 46 all\u00e9e d'Italie, 69364 Lyon Cedex 07, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"PATRICE","family":"ABRY","sequence":"additional","affiliation":[{"name":"CNRS, Laboratoire de Physique (UMR 5672 CNRS), \u00c9cole Normale Sup\u00e9rieure de Lyon, Universit\u00e9 de Lyon, 46 all\u00e9e d'Italie, 69364 Lyon Cedex 07, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"PATRICK","family":"FLANDRIN","sequence":"additional","affiliation":[{"name":"CNRS, Laboratoire de Physique (UMR 5672 CNRS), \u00c9cole Normale Sup\u00e9rieure de Lyon, Universit\u00e9 de Lyon, 46 all\u00e9e d'Italie, 69364 Lyon Cedex 07, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C\u00c9LINE","family":"ROBARDET","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Lyon, INSA-Lyon, CNRS, LIRIS (UMR CNRS 5205), Batiment Blaise Pascal 69621 Villeurbanne Cedex, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JEAN-BAPTISTE","family":"ROUQUIER","sequence":"additional","affiliation":[{"name":"LIP (UMR CNRS INRIA 5668) and IXXI, (Institut des Syst\u00e8mes Complexes) of \u00c9cole Normale Sup\u00e9rieure de Lyon, Universit\u00e9 de Lyon; 46 all\u00e9e d'Italie, 69364 Lyon Cedex 07, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"ERIC","family":"FLEURY","sequence":"additional","affiliation":[{"name":"LIP (UMR CNRS INRIA 5668) and IXXI, (Institut des Syst\u00e8mes Complexes) of \u00c9cole Normale Sup\u00e9rieure de Lyon, Universit\u00e9 de Lyon; 46 all\u00e9e d'Italie, 69364 Lyon Cedex 07, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"219","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"rf7","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4612-1098-6"},{"key":"rf9","doi-asserted-by":"publisher","DOI":"10.1016\/j.trd.2010.07.002"},{"key":"rf10","first-page":"28","volume":"3","author":"Abry P.","journal-title":"IEEE Signal Proc. 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