{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T21:45:06Z","timestamp":1787867106327,"version":"build-2784847793"},"reference-count":25,"publisher":"Institute for Operations Research and the Management Sciences (INFORMS)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Transportation Science"],"published-print":{"date-parts":[[2019,2]]},"abstract":"<jats:p>Bike sharing systems (BSSs) allow customers to rent bicycles at automatic rental stations distributed throughout a city, use them for a short period of time, and return them to any station. One of the major issues that BSS operators must address is nonhomogeneous asymmetric demand processes. These demand processes create an inherent imbalance, thus leading to shortages either of bicycles when users are attempting to rent them and of vacant lockers when users are attempting to return them. The predominant approach taken by operators to cope with this difficulty is to reposition bicycles to rebalance the inventory levels at the different stations. Most repositioning studies assume that a target inventory level or range of inventory levels is known for each station. In this paper, we focus on determining the correct target level for repositioning according to a well-defined objective. This is a challenging task because of the nature of the user behavior that creates the interactions among the inventory levels at different stations. For example, if bicycles are not available at the user\u2019s origin, the user may abandon the system, use other means of transportation, or look for available bicycles at a neighboring station. If, in another case, a locker is not available at a user\u2019s destination, then that user is obliged to find a station with available space to return the bicycle to the system. Thus, an empty\/full station can create a spillover of demand to nearby stations. In addition, stations are related by origin\u2013destination pairing. In this paper, we take this effect into consideration for the first time when setting target inventory levels and develop a robust guided local search algorithm for that purpose. We show that neglecting the interactions among stations leads to inferior decision making.<\/jats:p>","DOI":"10.1287\/trsc.2017.0790","type":"journal-article","created":{"date-parts":[[2017,9,28]],"date-time":"2017-09-28T14:13:15Z","timestamp":1506607995000},"page":"62-76","source":"Crossref","is-referenced-by-count":98,"title":["Setting Inventory Levels in a Bike Sharing Network"],"prefix":"10.1287","volume":"53","author":[{"given":"Sharon","family":"Datner","sequence":"first","affiliation":[{"name":"Industrial Engineering Department, Faculty of Engineering, Tel Aviv University, 69978 Tel Aviv, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/2.zoppoz.workers.dev:443\/https\/orcid.org\/0000-0002-5960-2386","authenticated-orcid":false,"given":"Tal","family":"Raviv","sequence":"additional","affiliation":[{"name":"Industrial Engineering Department, Faculty of Engineering, Tel Aviv University, 69978 Tel Aviv, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/2.zoppoz.workers.dev:443\/https\/orcid.org\/0000-0001-6931-8058","authenticated-orcid":false,"given":"Michal","family":"Tzur","sequence":"additional","affiliation":[{"name":"Industrial Engineering Department, Faculty of Engineering, Tel Aviv University, 69978 Tel Aviv, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Chemla","sequence":"additional","affiliation":[{"name":"Smart-Flows Ltd., 75003 Paris, France; CERMICS, Universit\u00e9 Paris-Est, 77455 Marne la Vall\u00e9e Cedex 2, France; and Universit\u00e9 Paris 13, 93430 Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"109","reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1080\/23249935.2014.884184"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.1051\/ro\/2011102"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1016\/j.disopt.2012.11.005"},{"key":"B6","unstructured":"Datner S (2015) Setting inventory levels in a bike sharing network. 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