{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,25]],"date-time":"2026-02-25T18:21:58Z","timestamp":1772043718859,"version":"3.50.1"},"reference-count":37,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"1","license":[{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61532018"],"award-info":[{"award-number":["61532018"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61836007"],"award-info":[{"award-number":["61836007"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61832017"],"award-info":[{"award-number":["61832017"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61572215"],"award-info":[{"award-number":["61572215"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007290","name":"Det Obelske Familiefond","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007290","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Knowl. Data Eng."],"published-print":{"date-parts":[[2020,1,1]]},"DOI":"10.1109\/tkde.2018.2879819","type":"journal-article","created":{"date-parts":[[2018,11,6]],"date-time":"2018-11-06T19:44:25Z","timestamp":1541533465000},"page":"26-39","source":"Crossref","is-referenced-by-count":29,"title":["Answering Why-Not Group Spatial Keyword Queries"],"prefix":"10.1109","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8639-4570","authenticated-orcid":false,"given":"Bolong","family":"Zheng","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1996-1699","authenticated-orcid":false,"given":"Kai","family":"Zheng","sequence":"additional","affiliation":[]},{"given":"Christian S.","family":"Jensen","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9687-1315","authenticated-orcid":false,"given":"Nguyen Quoc Viet","family":"Hung","sequence":"additional","affiliation":[]},{"given":"Han","family":"Su","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6984-1914","authenticated-orcid":false,"given":"Guohui","family":"Li","sequence":"additional","affiliation":[]},{"given":"Xiaofang","family":"Zhou","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2016.7498288"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1007\/s00778-016-0443-4"},{"key":"ref31","first-page":"39","article-title":"G-Tree: An efficient index for kNN search on road networks","author":"zhong","year":"2013","journal-title":"Proc Int Conf Inf Intell and Syst"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1145\/1516360.1516476"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1007\/s00778-016-0443-4"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.14778\/2824032.2824116"},{"key":"ref35","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1145\/2745754.2745765","article-title":"High-level why-not explanations using ontologies","author":"cate","year":"2015","journal-title":"Proc 20th ACM SIGMOD-SIGACT-SIGART Symp Principles of Database Systems"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1145\/2505515.2505725"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2004.1320006"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2005.87"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2007.367925"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2015.2465374"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1145\/1559845.1559901"},{"key":"ref15","first-page":"145","article-title":"Query-based why-not provenance with NedExplain","author":"bidoit","year":"2014","journal-title":"Proc Int Conf Extending Database Technol"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.14778\/1920841.1920869"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.14778\/1453856.1453936"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2012.158"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2015.7113291"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.14778\/1687627.1687666"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1145\/2463676.2465275"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2008.4497474"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1145\/1989323.1989363"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2009.77"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.14778\/2535569.2448955"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1145\/2723372.2723723"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2010.230"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2017.2758780"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2013.6544828"},{"key":"ref9","first-page":"391","article-title":"Multi-criteria optimal location query with overlapping voronoi diagrams","author":"zhang","year":"2014","journal-title":"Proc Int Conf Extending Database Technol"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2015.7113349"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2010.5447851"},{"key":"ref22","first-page":"451","article-title":"Answering top-k queries using views","author":"das","year":"2006","journal-title":"Proc Int Conf Very Large Data Bases"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2015.2451630"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1145\/1391729.1391730"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2008.4497462"},{"key":"ref26","author":"berkovitz","year":"2003","journal-title":"Convexity and optimization in Rn"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2001.914855"}],"container-title":["IEEE Transactions on Knowledge and Data Engineering"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/69\/8926561\/08525350.pdf?arnumber=8525350","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,4,27]],"date-time":"2022-04-27T14:41:49Z","timestamp":1651070509000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/8525350\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,1,1]]},"references-count":37,"journal-issue":{"issue":"1"},"URL":"https:\/\/doi.org\/10.1109\/tkde.2018.2879819","relation":{},"ISSN":["1041-4347","1558-2191","2326-3865"],"issn-type":[{"value":"1041-4347","type":"print"},{"value":"1558-2191","type":"electronic"},{"value":"2326-3865","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,1,1]]}}}