{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T14:16:05Z","timestamp":1778249765525,"version":"3.51.4"},"publisher-location":"Berlin, Heidelberg","reference-count":17,"publisher":"Springer Berlin Heidelberg","isbn-type":[{"value":"9783540428664","type":"print"},{"value":"9783540455813","type":"electronic"}],"license":[{"start":{"date-parts":[[2001,1,1]],"date-time":"2001-01-01T00:00:00Z","timestamp":978307200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2001]]},"DOI":"10.1007\/3-540-45581-7_8","type":"book-chapter","created":{"date-parts":[[2007,11,5]],"date-time":"2007-11-05T07:48:38Z","timestamp":1194248918000},"page":"70-83","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["DISTIL: A Design Support Environment for Conceptual Modeling of Spatio-temporal Requirements"],"prefix":"10.1007","author":[{"given":"Sudha","family":"Ram","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard T.","family":"Snodgrass","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vijay","family":"Khatri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yousub","family":"Hwang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2001,12,18]]},"reference":[{"key":"8_CR1","first-page":"169","volume":"53","author":"Y. Bedard","year":"1999","unstructured":"Y. Bedard, \u201cVisual Modeling of Spatial Databases: Towards Spatial PVL and UML,\u201d Geomatica, Vol. 53, No. 2, pp. 169\u2013186, 1999.","journal-title":"Geomatica"},{"key":"8_CR2","doi-asserted-by":"crossref","unstructured":"C. Bettini, C. E. Dyreson, W. S. Evans, R. T. Snodgrass, and X. S. Wang, \u201cA Glossary of Time Granularity Concepts,\u201d in Temporal Databases: Research and Practice, O. Etzion, S. Jajodia, and S. Sripada, Eds.: Springer-Verlag, 1998, pp. 406\u2013413.","DOI":"10.1007\/BFb0053711"},{"issue":"1","key":"8_CR3","doi-asserted-by":"publisher","first-page":"9","DOI":"10.1145\/320434.320440","volume":"1","author":"P. P. Chen","year":"1976","unstructured":"P. P. Chen, \u201cThe Entity-Relationship Model \u2014 Toward a Unified View of Data,\u201d ACM Transactions of Database Systems, Vol. 1, No. 1, pp. 9\u201336, 1976.","journal-title":"ACM Transactions of Database Systems"},{"key":"8_CR4","doi-asserted-by":"crossref","unstructured":"F. A. D\u2019Agnese, C. C. Faunt, A. K. Turner, and M. C. Hill, \u201cHydrogeologic evaluation and numerical simulation of the Death Valley Regional ground-water flow system, Nevada and California,\u201d U.S. Geological Survey Water Resources 96-4300, 1997.","DOI":"10.2172\/573102"},{"key":"8_CR5","unstructured":"B. David, M. V. D. Herrewegen, and F. Salge, \u201cConceptual Models for Geometry and Quality of Geographic Information,\u201d in Geographic Objects With Indeterminate Boundaries, P. A. Burrough and A. Frank, Eds.: Taylor & Francis, 1996, pp. 352."},{"issue":"1","key":"8_CR6","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1145\/288086.288087","volume":"23","author":"C. E. Dyreson","year":"1998","unstructured":"C. E. Dyreson and R. T. Snodgrass, \u201cSupporting Valid-Time Indeterminacy,\u201d ACM Transactions on Database Systems, Vol. 23, No. 1, pp. 1\u201357, 1998.","journal-title":"ACM Transactions on Database Systems"},{"key":"8_CR7","unstructured":"V. Khatri, S. Ram, and R. T. Snodgrass, \u201cST-USM: Bridging the Semantic Gap with a Spatio-temporal Conceptual Model,\u201d TIMECENTER Technical Report TR-64 2001."},{"key":"8_CR8","doi-asserted-by":"crossref","unstructured":"V. Khatri, S. Ram, and R. T. Snodgrass, \u201cSupporting User-defined Granularities and Indeterminacy in a Spatiotemporal Conceptual Model,\u201d Annals of Mathematics and Artificial Intelligence (Also available as TIMECENTER Technical ReportTR-55), 36 pages, forthcoming.","DOI":"10.1023\/A:1015868307494"},{"key":"8_CR9","doi-asserted-by":"crossref","unstructured":"G. K\u00f6sters and B.-U. Pagel, \u201cThe GeoOOA-Tool and Its Interface to Open Software Development Environments for GIS,\u201d in Proceedings of the fourth ACM workshop on Advances on Advances in Geographic Information Systems, Rockville, Maryland, pp. 163\u2013171, 1996.","DOI":"10.1145\/258319.258362"},{"issue":"6","key":"8_CR10","doi-asserted-by":"publisher","first-page":"501","DOI":"10.1080\/136588100415710","volume":"14","author":"J. L. Mennis","year":"2000","unstructured":"J. L. Mennis, D. J. Peuquet, and L. Qian, \u201cA Conceptual Framework for Incorporating Cognitive Principles into Geographical Database Representation,\u201d International Journal of Geographic Information Science, Vol. 14, No. 6, pp. 501\u2013520, 2000.","journal-title":"International Journal of Geographic Information Science"},{"key":"8_CR11","doi-asserted-by":"crossref","unstructured":"C. Parent, S. Spaccapietra, and E. Zimanyi, \u201cSpatio-temporal conceptual models: Data structures + space + time,\u201d in Proceedings of the 7th ACM Symposium on Advances in Geographic Information Systems, Kansas City, USA, pp. 1999.","DOI":"10.1145\/320134.320142"},{"key":"8_CR12","doi-asserted-by":"crossref","unstructured":"D. Pfoser and N. Tryfona, \u201cRequirements, Definitions, and Notations for Spatiotemporal Application Environments,\u201d in Proceedings of the 6th International Symposium on Advances in Geographic Information Systems, Washington, United States, pp. 124\u2013130, 1998.","DOI":"10.1145\/288692.288715"},{"key":"8_CR13","doi-asserted-by":"crossref","unstructured":"S. Ram, \u201cIntelligent Database Design using the Unifying Semantic Model,\u201d Information and Management, Vol. 29, No. 4, pp. 191-206, 1995.","DOI":"10.1016\/0378-7206(95)00015-O"},{"issue":"9","key":"8_CR14","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1109\/MC.1986.1663327","volume":"19","author":"R. T. Snodgrass","year":"1986","unstructured":"R. T. Snodgrass and I. Ahn, \u201cTemporal Databases,\u201d IEEE Computer, Vol. 19, No. 9, pp. 35\u201342, 1986.","journal-title":"IEEE Computer"},{"key":"8_CR15","unstructured":"R. T. Snodgrass, M. H. B\u00f6hlen, C. S. Jensen, and A. Steiner, \u201cAdding Transaction Time to SQL\/Temporal,\u201d ISO-ANSI SQL\/Temporal Change Proposal, ANSI X3H2-96-152r ISO\/IEC JTC1\/SC21\/WG3 DBL MCI-143, 1996."},{"key":"8_CR16","unstructured":"R. T. Snodgrass, M. H. B\u00f6hlen, C. S. Jensen, and A. Steiner, \u201cAdding Valid Time to SQL\/Temporal,\u201d ISO-ANSI SQL\/Temporal Change Proposal, ANSI X3H2-96-151r ISO\/IEC JTC1\/SC21\/WG3 DBL MCI-142, 1996."},{"issue":"3","key":"8_CR17","doi-asserted-by":"publisher","first-page":"245","DOI":"10.1023\/A:1009801415799","volume":"3","author":"N. Tryfona","year":"1999","unstructured":"N. Tryfona and C. S. Jensen, \u201cConceptual Data Modeling for Spatiotemporal Applications,\u201d Geoinformatica, Vol. 3, No. 3, pp. 245\u2013268, 1999.","journal-title":"Geoinformatica"}],"container-title":["Lecture Notes in Computer Science","Conceptual Modeling \u2014 ER 2001"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/3-540-45581-7_8","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T13:49:48Z","timestamp":1778248188000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/3-540-45581-7_8"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2001]]},"ISBN":["9783540428664","9783540455813"],"references-count":17,"URL":"https:\/\/doi.org\/10.1007\/3-540-45581-7_8","relation":{},"ISSN":["0302-9743"],"issn-type":[{"value":"0302-9743","type":"print"}],"subject":[],"published":{"date-parts":[[2001]]},"assertion":[{"value":"18 December 2001","order":1,"name":"first_online","label":"First Online","group":{"name":"ChapterHistory","label":"Chapter History"}}]}}