{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T05:42:52Z","timestamp":1777614172170,"version":"3.51.4"},"reference-count":8,"publisher":"Association for Computing Machinery (ACM)","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Proc. VLDB Endow."],"published-print":{"date-parts":[[2020,8]]},"abstract":"<jats:p>\n            Due to the widespread use of GPS-enabled devices such as smartphones, the research field of moving objects databases has been quite active in the past decade. Human movements are recorded, managed and analyzed for a plethora of applications. In this demo, we introduce a toolbox named IMO to simulate and query infected moving objects. This is primarily motivated by COVID-19 virus pandemic recently. We model the\n            <jats:italic toggle=\"yes\">spreading<\/jats:italic>\n            behavior to demonstrate when and where people are infected. The protection policy is simulated such that one can see the isolation and self protection effects such as human movement restriction and the wearing of masks. Optimization techniques are developed to enhance the performance, including data storage, data partition and index structures. This is not a standalone software but a toolbox embedded in SECONDO, an open source and extensible database system. To the best of our knowledge, simulating and querying infected objects are not supported in existing moving objects prototype systems. Demo attendees can conveniently pose their queries and adjust parameters in the interface and the system will visualize the result after only a short delay.\n          <\/jats:p>","DOI":"10.14778\/3415478.3415485","type":"journal-article","created":{"date-parts":[[2020,9,14]],"date-time":"2020-09-14T18:46:35Z","timestamp":1600109195000},"page":"2825-2828","source":"Crossref","is-referenced-by-count":17,"title":["IMO"],"prefix":"10.14778","volume":"13","author":[{"given":"Jianqiu","family":"Xu","sequence":"first","affiliation":[{"name":"Nanjing University of Aeronautics and Astronautics, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hua","family":"Lu","sequence":"additional","affiliation":[{"name":"Roskilde University, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhifeng","family":"Bao","sequence":"additional","affiliation":[{"name":"RMIT University, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2020,8]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"https:\/\/www.datatang.ai\/ (2020)."},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.14778\/3137765.3137819"},{"issue":"2","key":"e_1_2_1_3_1","first-page":"56","article-title":"Secondo: A platform for moving objects database research and for publishing and integrating research implementations","volume":"33","author":"G\u00fcting R. H.","year":"2010","unstructured":"R. H. G\u00fcting, T. Behr, and C. D\u00fcntgen. Secondo: A platform for moving objects database research and for publishing and integrating research implementations. IEEE Data Eng. Bull., 33(2):56--63, 2010.","journal-title":"IEEE Data Eng. Bull."},{"key":"e_1_2_1_4_1","volume-title":"Morgan Kaufmann","author":"G\u00fcting R.H.","year":"2005","unstructured":"R.H. G\u00fcting and M. Schneider. Moving Objects Databases. Morgan Kaufmann, 2005."},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/3299869.3320222"},{"issue":"12","key":"e_1_2_1_6_1","first-page":"1918","article-title":"TRIPS: A system for translating raw indoor positioning data into visual mobility semantics","volume":"11","author":"Li H.","year":"2018","unstructured":"H. Li, H. Lu, F. Shi, G. Chen, K. Chen, and L. Shou. TRIPS: A system for translating raw indoor positioning data into visual mobility semantics. PVLDB, 11(12):1918--1921, 2018.","journal-title":"PVLDB"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/3183713.3193553"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2019.00154"}],"container-title":["Proceedings of the VLDB Endowment"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.14778\/3415478.3415485","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,9,17]],"date-time":"2025-09-17T02:18:40Z","timestamp":1758075520000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.14778\/3415478.3415485"}},"subtitle":["a toolbox for simulating and querying \"infected\" moving objects"],"short-title":[],"issued":{"date-parts":[[2020,8]]},"references-count":8,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2020,8]]}},"alternative-id":["10.14778\/3415478.3415485"],"URL":"https:\/\/doi.org\/10.14778\/3415478.3415485","relation":{},"ISSN":["2150-8097"],"issn-type":[{"value":"2150-8097","type":"print"}],"subject":[],"published":{"date-parts":[[2020,8]]}}}