{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,5]],"date-time":"2022-04-05T11:58:18Z","timestamp":1649159898128},"reference-count":27,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[1993,3,1]],"date-time":"1993-03-01T00:00:00Z","timestamp":730944000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Data & Knowledge Engineering"],"published-print":{"date-parts":[[1993,3]]},"DOI":"10.1016\/0169-023x(93)90007-c","type":"journal-article","created":{"date-parts":[[2003,3,14]],"date-time":"2003-03-14T17:15:20Z","timestamp":1047662120000},"page":"151-186","source":"Crossref","is-referenced-by-count":3,"title":["An entity-based approach to query processing in relational databases"],"prefix":"10.1016","volume":"10","author":[{"given":"Kalervo","family":"J\u00e4rvelin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Timo","family":"Niemi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0169-023X(93)90007-C_BIB1","doi-asserted-by":"crossref","first-page":"580","DOI":"10.1145\/361020.361215","article-title":"Implementation of a structured English query language","volume":"18","author":"Astrahan","year":"1975","journal-title":"Commun. ACM"},{"key":"10.1016\/0169-023X(93)90007-C_BIB2","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1016\/0169-023X(88)90004-3","article-title":"Issues in relational database performance (invited paper ISDBMS)","volume":"3","author":"Bell","year":"1988","journal-title":"Data & Knowledge Engrg."},{"key":"10.1016\/0169-023X(93)90007-C_BIB3","series-title":"Proc. 7th ACM SIDACT-SIGMOD-SIGART Symp. on Principles of Database Systems","first-page":"1","article-title":"Theory of database queries","author":"Chandra","year":"1988"},{"key":"10.1016\/0169-023X(93)90007-C_BIB4","volume":"Vol. I","author":"Date","year":"1990"},{"key":"10.1016\/0169-023X(93)90007-C_BIB5","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/0306-4379(89)90029-X","article-title":"Dynamic query interpretation in relational databases","volume":"14","author":"D'Atri","year":"1989","journal-title":"Inform. Syst."},{"key":"10.1016\/0169-023X(93)90007-C_BIB6","series-title":"Proc. ACM SIGMOD Conf.","first-page":"1","article-title":"Implementation techniques for main memory database systems","author":"DeWitt","year":"1984"},{"key":"10.1016\/0169-023X(93)90007-C_BIB7","article-title":"Factorizations of algebraic expressions","author":"Hall","year":"1974"},{"key":"10.1016\/0169-023X(93)90007-C_BIB8","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1145\/356924.356928","article-title":"Query optimization in database systems","volume":"16","author":"Jarke","year":"1984","journal-title":"Comput. Surveys"},{"key":"10.1016\/0169-023X(93)90007-C_BIB9","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1016\/0169-023X(87)90024-3","article-title":"A language for simple interactive retrieval from a database system","volume":"2","author":"Jones","year":"1987","journal-title":"Data & Knowledge Engrg."},{"key":"10.1016\/0169-023X(93)90007-C_BIB10","article-title":"A systematic approach to modelling the costs of flat files","author":"J\u00e4rvelin","year":"1985"},{"key":"10.1016\/0169-023X(93)90007-C_BIB11","doi-asserted-by":"crossref","first-page":"523","DOI":"10.1016\/0306-4573(86)90103-2","article-title":"Cardinality estimation in numeric online databanks","volume":"22","author":"J\u00e4rvelin","year":"1986","journal-title":"Inform. Processing and Management"},{"key":"10.1016\/0169-023X(93)90007-C_BIB12","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1177\/016555158801400203","article-title":"A methodology for user charge estimation in numeric online databanks","volume":"14","author":"J\u00e4rvelin","year":"1988","journal-title":"J. Inform. Sci."},{"key":"10.1016\/0169-023X(93)90007-C_BIB13","series-title":"Information Modelling and Knowledge Bases","first-page":"388","article-title":"Boolean predicate reduction for file access","author":"J\u00e4rvelin","year":"1990"},{"key":"10.1016\/0169-023X(93)90007-C_BIB14","article-title":"Entity-based query construction for relational database access","author":"J\u00e4rvelin","year":"1990"},{"key":"10.1016\/0169-023X(93)90007-C_BIB15","series-title":"Database updating through high-level entity types","author":"J\u00e4rvelin","year":"1992"},{"key":"10.1016\/0169-023X(93)90007-C_BIB16","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1145\/1270.1209","article-title":"System\/U: A database system based on the universal relation assumption","volume":"9","author":"Korth","year":"1984","journal-title":"ACM Trans. Database Syst."},{"key":"10.1016\/0169-023X(93)90007-C_BIB17","series-title":"A PROLOG Database System","author":"Li","year":"1984"},{"key":"10.1016\/0169-023X(93)90007-C_BIB18","series-title":"The Theory of Relational Databases","author":"Maier","year":"1984"},{"key":"10.1016\/0169-023X(93)90007-C_BIB19","series-title":"Proc. 7th ACM SIDACT-SIGMOD-SIGART Symp. on Principles of Database Systems","first-page":"263","article-title":"Optimization of multiple-relation multiple-disjunct queries","author":"Muralikrishna","year":"1988"},{"key":"10.1016\/0169-023X(93)90007-C_BIB20","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1007\/BF01937484","article-title":"Specification of a query language by the attribute method","volume":"24","author":"Niemi","year":"1984","journal-title":"BIT"},{"key":"10.1016\/0169-023X(93)90007-C_BIB21","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1016\/0306-4379(92)90005-8","article-title":"Operation-oriented query language approach for recursive queries-Part 1, Functional definition","volume":"17","author":"Niemi","year":"1992","journal-title":"Inform. Syst."},{"key":"10.1016\/0169-023X(93)90007-C_BIB22","doi-asserted-by":"crossref","first-page":"285","DOI":"10.1016\/0169-023X(89)90014-1","article-title":"Query optimization in object-oriented knowledge bases","volume":"3","author":"Sheu","year":"1988","journal-title":"Data & Knowledge Engrg."},{"key":"10.1016\/0169-023X(93)90007-C_BIB23","doi-asserted-by":"crossref","first-page":"568","DOI":"10.1145\/361020.361025","article-title":"Optimizing the performance of a relational algebra database interface","volume":"18","author":"Smith","year":"1975","journal-title":"Commun. ACM"},{"key":"10.1016\/0169-023X(93)90007-C_BIB24","doi-asserted-by":"crossref","first-page":"181","DOI":"10.1016\/0169-023X(88)90015-8","article-title":"Relational theory of queries","volume":"3","author":"Steiner","year":"1988","journal-title":"Data & Knowledge Engrs."},{"key":"10.1016\/0169-023X(93)90007-C_BIB25","series-title":"Design of Database Structures","author":"Teorey","year":"1982"},{"key":"10.1016\/0169-023X(93)90007-C_BIB26","volume":"Vol. I","author":"Ullman","year":"1988"},{"key":"10.1016\/0169-023X(93)90007-C_BIB27","author":"Ullman","year":"1989"}],"container-title":["Data & Knowledge Engineering"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0169023X9390007C?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0169023X9390007C?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,3,26]],"date-time":"2019-03-26T15:50:11Z","timestamp":1553615411000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0169023X9390007C"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1993,3]]},"references-count":27,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1993,3]]}},"alternative-id":["0169023X9390007C"],"URL":"https:\/\/doi.org\/10.1016\/0169-023x(93)90007-c","relation":{},"ISSN":["0169-023X"],"issn-type":[{"value":"0169-023X","type":"print"}],"subject":[],"published":{"date-parts":[[1993,3]]}}}