{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,6]],"date-time":"2024-09-06T16:23:13Z","timestamp":1725639793141},"publisher-location":"Berlin, Heidelberg","reference-count":8,"publisher":"Springer Berlin Heidelberg","isbn-type":[{"type":"print","value":"9783540538615"},{"type":"electronic","value":"9783642765308"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1991]]},"DOI":"10.1007\/978-3-642-76530-8_36","type":"book-chapter","created":{"date-parts":[[2011,12,6]],"date-time":"2011-12-06T10:24:17Z","timestamp":1323167057000},"page":"502-507","source":"Crossref","is-referenced-by-count":1,"title":["Praktische Behandlung von Nullwerten \u2014 Realisierung im Molek\u00fcl-Atom-Datenmodell"],"prefix":"10.1007","author":[{"given":"Harald","family":"Sch\u00f6ning","sequence":"first","affiliation":[]}],"member":"297","reference":[{"key":"36_CR1","unstructured":"von B\u00fcltzingsloewen, G.: Translating and Optimizing SQL Queries Having Aggregates, in: Proc. VLDB 1987, Brighton, UK, S. 235\u2013243."},{"key":"36_CR2","doi-asserted-by":"crossref","unstructured":"Missing Information (Applicable and Inapplicable) in Relational Databases, in: ACM SIGMOD RECORD, Vol. 15, No. 4, 1986, pp. 53\u201378.","DOI":"10.1145\/16301.16303"},{"key":"36_CR3","first-page":"42","volume-title":"SIGMOD RECORD, Vol. 16","author":"EF Codd","year":"1987","unstructured":"Codd, E.F.: More Commentary on Missing Information in Relational Databases (Applicable and Inapplicable Information), in: SIGMOD RECORD, Vol. 16, No. 1, 1987, pp. 42\u201350."},{"key":"36_CR4","volume-title":"Null Values in Database Management","author":"CJ Date","year":"1982","unstructured":"Date, C.J.: Null Values in Database Management, Proc. 2nd British National Conf. on Databases, July 1982."},{"key":"36_CR5","volume-title":"FAD \u2014 A Database Programming Language","author":"S Danforth","year":"1989","unstructured":"Danforth, S., Khoshafian, S., Valduriez, P.: FAD \u2014 A Database Programming Language, Rev. 3, MCC Technical Report ACA-ST-151\u201385, Rev. 3, January 1989."},{"key":"36_CR6","first-page":"433","volume-title":"Proc. VLDB","author":"T H\u00e4rder","year":"1987","unstructured":"H\u00e4rder, T., Meyer-Wegener, K., Mitschang, B., Sikeler, A.: PRIMA \u2014 A DBMS Prototype Supporting Engineering Applications, in: Proc. VLDB 1987, Brighton, UK, S. 433\u2013442."},{"key":"36_CR7","first-page":"262","volume-title":"ACM TODS, Vol. 4","author":"W Lipski","year":"1979","unstructured":"Lipski, W.: On Semantic Issues Connected with Incomplete Information Databases, in: ACM TODS, Vol. 4, No. 3, 1979, pp. 262\u2013296."},{"key":"36_CR8","doi-asserted-by":"crossref","DOI":"10.1007\/978-3-642-74122-7","volume-title":"Ein Molek\u00fcl-Atom-Datenmodell f\u00fcr Non-Standard-Anwendungen \u2014 Anwendungsanalyse, Datenmodellentwurf und Implementierungskonzepte","author":"B Mitschang","year":"1988","unstructured":"Mitschang, B.: Ein Molek\u00fcl-Atom-Datenmodell f\u00fcr Non-Standard-Anwendungen \u2014 Anwendungsanalyse, Datenmodellentwurf und Implementierungskonzepte, Springer-Verlag Berlin Heidelberg, 1988."}],"container-title":["Informatik-Fachberichte","Datenbanksysteme in B\u00fcro, Technik und Wissenschaft"],"original-title":[],"link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/978-3-642-76530-8_36.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,11,25]],"date-time":"2020-11-25T03:09:03Z","timestamp":1606273743000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/978-3-642-76530-8_36"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1991]]},"ISBN":["9783540538615","9783642765308"],"references-count":8,"URL":"https:\/\/doi.org\/10.1007\/978-3-642-76530-8_36","relation":{},"ISSN":["0343-3005"],"issn-type":[{"type":"print","value":"0343-3005"}],"subject":[],"published":{"date-parts":[[1991]]}}}