{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,6]],"date-time":"2024-09-06T12:15:07Z","timestamp":1725624907381},"publisher-location":"Berlin, Heidelberg","reference-count":30,"publisher":"Springer Berlin Heidelberg","isbn-type":[{"type":"print","value":"9783540127338"},{"type":"electronic","value":"9783642692970"}],"license":[{"start":{"date-parts":[[1983,1,1]],"date-time":"1983-01-01T00:00:00Z","timestamp":410227200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1983]]},"DOI":"10.1007\/978-3-642-69297-0_8","type":"book-chapter","created":{"date-parts":[[2011,10,25]],"date-time":"2011-10-25T13:40:12Z","timestamp":1319550012000},"page":"113-133","source":"Crossref","is-referenced-by-count":19,"title":["Die NF2-Relationenalgebra zur Einheitlichen Manipulation Externer, Konzeptueller und Interner Datenstrukturen"],"prefix":"10.1007","author":[{"given":"H.-J.","family":"Schek","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Scholl","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","reference":[{"key":"8_CR1","first-page":"3","volume":"4","author":"AV Aho","year":"1979","unstructured":"ABU79\/ A.V.Aho, C.Beeri, J.D.Ullman: The Theory of Joins in Relational Databases, ACM TODS, Vol. 4: 3, 1979","journal-title":"ACM TODS"},{"key":"8_CR2","first-page":"2","volume-title":"FDT-Bulletin of ACM-SIGMOD","author":"SPARC Study Group on Data Base Management Systems","year":"1975","unstructured":"ANSI75\/ ANSI\/X3\/SPARC Study Group on Data Base Management Systems, Interim Report 75-02-08, in: FDT-Bulletin of ACM-SIGMOD, Vol. 7:2, 1975"},{"key":"8_CR3","volume-title":"Performance of the System R Access Path Selection Mechanism, Proc. IFIP Congr","author":"MM Astrahan","year":"1980","unstructured":"\/ASK80\/ M.M.Astrahan, M.Schkolnick, W.Kim: Performance of the System R Access Path Selection Mechanism, Proc. IFIP Congr. 1980, North Holland Publ. Comp."},{"key":"8_CR4","first-page":"2","volume":"8","author":"AV Aho","year":"1979","unstructured":"\/ASU79\/ A.V.Aho, Y.Sagiv, J.D.Ullman: Equivalences Among Relational Expressions, SIAM Journal of Comptg., Vol. 8: 2, May 1979","journal-title":"SIAM Journal of Comptg."},{"key":"8_CR5","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1145\/320434.320440","volume":"1","author":"PP Chen","year":"1976","unstructured":"\/C76\/ P.P.Chen: The Entity-Relationship-Model - Towards a Unified View of Data, ACM TODS, Vol. 1: 1, 1976","journal-title":"ACM TODS"},{"key":"8_CR6","volume-title":"SEQUEL 2: A Unified Approach to Data Definition, Manipulation and Control, IBM J. Res. Dev., Vol. 20","author":"DD Chamberlin","year":"1976","unstructured":"\/Ch76\/ D.D.Chamberlin, et al: SEQUEL 2: A Unified Approach to Data Definition, Manipulation and Control, IBM J. Res. Dev., Vol. 20, Nov. 1976"},{"key":"8_CR7","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1145\/319540.319550","volume":"6","author":"DD Chamberlin","year":"1981","unstructured":"\/Ch81\/ D.D.Chamberlin et al: Support for Repetitive Transactions and Adhoc Queries in System R, ACM TODS, Vol. 6: 1, 1981","journal-title":"ACM TODS"},{"key":"8_CR8","doi-asserted-by":"publisher","first-page":"4","DOI":"10.1145\/320107.320109","volume":"4","author":"EF Codd","year":"1979","unstructured":"\/Co79\/ E.F.Codd: Extending the Database Relational Model to Capture More Meaning, ACM TODS, Vol. 4: 4, 1979","journal-title":"ACM TODS"},{"key":"8_CR9","volume-title":"Mathematical Techniques for Efficient Record Segmentation in Large Shared Database Systems, JACM, Vol.23","author":"MJ Eisner","year":"1976","unstructured":"\/ES76\/ M.J.Eisner, D.G.Severance: Mathematical Techniques for Efficient Record Segmentation in Large Shared Database Systems, JACM, Vol.23, 1976"},{"key":"8_CR10","volume-title":"Informatik Fachberichte Bd. 57","author":"J Freitag","year":"1982","unstructured":"\/FWW82\/ J.Freitag, H.-D.Werner, W.Wilkes: Strukturierte Attribute in Relationen zur Unterst\u00fctzung von IR-Anwendungen, in: Informatik Fachberichte Bd. 57 ( J.Nehmer, ed. ), Springer 1982"},{"key":"8_CR11","volume-title":"Implementierung von Datenbanksystemen","author":"\/H\u00e478a\/ T.H\u00e4rder","year":"1978","unstructured":"H\u00e478a\/ T.H\u00e4rder: Implementierung von Datenbanksystemen, Carl Hanser Verlag, M\u00fcnchen-Wien, 1978"},{"key":"8_CR12","first-page":"3","volume":"3","author":"\/H\u00e478b\/ T.H\u00e4rder","year":"1978","unstructured":"H\u00e478b\/ T.H\u00e4rder: Implementing a Generalized Access Path Structure for a Relational Database System, ACM TODS, Vol. 3: 3, 1978","journal-title":"ACM TODS"},{"key":"8_CR13","doi-asserted-by":"crossref","unstructured":"\/HL82\/ R.Haskin, R.Lorie: On Extending the Functions of a Relational Database System, Proc. ACM SIGMOD Conf., Orlando, Fl.,1982","DOI":"10.1145\/582387.582390"},{"key":"8_CR14","unstructured":"\/IBM1\/ SQL\/Data System, Concept and Facilities, IBM Corp., GH 24-5013, Jan. 1981"},{"key":"8_CR15","unstructured":"\/IBM2\/ STAIRS\/VS General Information Manual, IBM Corp., GH 12-5114, 1980"},{"key":"8_CR16","volume-title":"Ca","author":"\/JS82\/ G.Jaeschke, H.-J.Schek","year":"1982","unstructured":"JS82\/ G.Jaeschke, H.-J.Schek: Remarks on the Algebra of Non First Normal Form Relations, Proc. 1st ACM SIGACT\/SIGMOD Symp. on PODS, L.A., Ca. March 1982"},{"key":"8_CR17","unstructured":"JS83\/ G.Jaeschke, H.-J. Schek: A Recursive Algebra for NF2-Relations, Techn. Report, IBM Heidelberg Scientific Center, in preparation"},{"key":"8_CR18","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1145\/322358.322359","volume":"30","author":"\/K183\/ A.Klug","year":"1983","unstructured":"K183\/ A.Klug: Locking Expressions for Increased Database Concurrency, JACM, Vol. 30: 1, Jan. 1983","journal-title":"JACM"},{"key":"8_CR19","unstructured":"LY81\/ D.Luo, B.Yao: Form Operation by Example, A Language for Office Information Processing, Proc. ACM SIGMOD Conf., 1981"},{"key":"8_CR20","unstructured":"MC83\/ M.E.Majster-Cederbaum: Equivalences Among Relational Expressions with General Selection Operators, to be submitted for publication"},{"key":"8_CR21","first-page":"4","volume":"4","author":"\/MMS79\/ D.Maier, A.O.Mendelzon, Y.Sagiv","year":"1979","unstructured":"MMS79\/ D.Maier, A.O.Mendelzon, Y.Sagiv: Testing Implications of Data Dependencies, ACM TODS, Vol. 4: 4, 1979","journal-title":"ACM TODS"},{"key":"8_CR22","volume-title":"IBM Heidelberg Scientific Center","author":"\/OH82\/ N.Ott, K.Horl\u00e4nder","year":"1982","unstructured":"OH82\/ N.Ott, K.Horl\u00e4nder: Removing Redundant Join Operations in Queries Involving Views, Techn.Report TR 82.03.003, IBM Heidelberg Scientific Center, 1982"},{"key":"8_CR23","volume-title":"Algebraische Frageoptimierung in Datenbanksystemen mit nichttrivialen Abbildungen zwischen konzeptuellem und internem Schema, Diplomarbeit","author":"\/Sch82\/ M.Scholl","year":"1982","unstructured":"Sch82\/ M.Scholl: Algebraische Frageoptimierung in Datenbanksystemen mit nichttrivialen Abbildungen zwischen konzeptuellem und internem Schema, Diplomarbeit, FB Informatik, TH Darmstadt, 1982"},{"key":"8_CR24","unstructured":"\/Sch82\/ M.Scholl: Algebraische Frageoptimierung in Datenbanksystemen mit nichttrivialen Abbildungen zwischen konzeptuellem und internem Schema, Diplomarbeit, FB Informatik, TH Darmstadt, 1982"},{"key":"8_CR25","volume-title":"Data Structures for an Integrated Data Base Management and Information Retrieval System, Proc","author":"\/SP82\/ H.-J. Schek, P.Pistor","year":"1982","unstructured":"SP82\/ H.-J. Schek, P.Pistor: Data Structures for an Integrated Data Base Management and Information Retrieval System, Proc. VLDB Conf., Mexico, Sept. 1982"},{"key":"8_CR26","volume-title":"Denormalization: A Performance Oriented Database Design Technique, Proc. AICA Congr","author":"M Schkolnick","year":"1980","unstructured":"\/SS80\/ M.Schkolnick, P.Sorensen: Denormalization: A Performance Oriented Database Design Technique, Proc. AICA Congr., Bologna, Italy 1980"},{"key":"8_CR27","volume-title":"The Effects of Denormalization on Database Performance","author":"M Schkolnick","year":"1981","unstructured":"\/SS81\/ M.Schkolnick, P.Sorensen: The Effects of Denormalization on Database Performance, Res. Rep. RJ3082 ( 38128 ), IBM Res.Lab., San Jose, Ca., 1981"},{"key":"8_CR28","doi-asserted-by":"publisher","first-page":"3","DOI":"10.1145\/320473.320476","volume":"1","author":"M Stonebraker","year":"1976","unstructured":"\/SWKH76\/ M.Stonebraker, E.Wong, P.Kreps, G.Held: The Design and Implementation of INGRES, ACM TODS, Vol. 1: 3, 1976","journal-title":"ACM TODS"},{"key":"8_CR29","first-page":"4","volume":"27","author":"Y Sagiv","year":"1980","unstructured":"\/SY80\/ Y.Sagiv, M. Yannakakis: Equivalences Among Relational Expressions with the UNION and DIFFERENCE Operators, JACM, Vol. 27: 4, Oct. 1980","journal-title":"JACM"},{"key":"8_CR30","volume-title":"Principles of Database Systems","author":"JD Ullman","year":"1980","unstructured":"\/U180\/ J.D.Ullman: Principles of Database Systems, Pitman Publ. Ltd., London, 1980"}],"container-title":["Informatik-Fachberichte","Sprachen f\u00fcr Datenbanken"],"original-title":[],"language":"de","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/978-3-642-69297-0_8","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,15]],"date-time":"2019-05-15T04:59:26Z","timestamp":1557896366000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/978-3-642-69297-0_8"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1983]]},"ISBN":["9783540127338","9783642692970"],"references-count":30,"URL":"https:\/\/doi.org\/10.1007\/978-3-642-69297-0_8","relation":{},"ISSN":["0343-3005"],"issn-type":[{"type":"print","value":"0343-3005"}],"subject":[],"published":{"date-parts":[[1983]]}}}