A semantic data base model and its associated structured user interface:
The conventional approaches to the structuring of data bases provided in contemporary data base management systems are in many ways unsatisfactory for modelling data base application environments. The features they provide are too low-level, computer-oriented, are representational to allow the seman...
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Cambridge, Mass.
Mass. Inst. of Technology, Laboratory for Computer Science
1978
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| Schlagworte: | |
| Zusammenfassung: | The conventional approaches to the structuring of data bases provided in contemporary data base management systems are in many ways unsatisfactory for modelling data base application environments. The features they provide are too low-level, computer-oriented, are representational to allow the semantics of a data base to be directly expressed in its structure. The semantic data model (SDM) has been designed as a natural application modelling mechanism that can capture and express the structure of an application environment. The features of the SDM correspond to the principal intentional structures naturally occurring in contemporary data base applications. The SDM provides a rich but limited vocabulary of data structure types and primitive operations, striking a balance between semantic expressibility and the control of complexity. Furthermore, facilities for expressing derived (conceptually redundant) information are an essential part of the SDM; derived information is as prominent in the description of an SDM data base as is primitive data. The SDM is designed to enhance the effectiveness and usability of data base systems. There are many data base management systems in use today which represent a considerable investment on the parts of their developers and users; the SDM can be effectively used in conjunction with these existing data base systems to enhance their effectiveness and usability. |
| Beschreibung: | 378 S. |
Internformat
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| 245 | 1 | 0 | |a A semantic data base model and its associated structured user interface |c by Dennis McLeod |
| 264 | 1 | |a Cambridge, Mass. |b Mass. Inst. of Technology, Laboratory for Computer Science |c 1978 | |
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| 520 | 3 | |a The conventional approaches to the structuring of data bases provided in contemporary data base management systems are in many ways unsatisfactory for modelling data base application environments. The features they provide are too low-level, computer-oriented, are representational to allow the semantics of a data base to be directly expressed in its structure. The semantic data model (SDM) has been designed as a natural application modelling mechanism that can capture and express the structure of an application environment. The features of the SDM correspond to the principal intentional structures naturally occurring in contemporary data base applications. The SDM provides a rich but limited vocabulary of data structure types and primitive operations, striking a balance between semantic expressibility and the control of complexity. Furthermore, facilities for expressing derived (conceptually redundant) information are an essential part of the SDM; derived information is as prominent in the description of an SDM data base as is primitive data. The SDM is designed to enhance the effectiveness and usability of data base systems. There are many data base management systems in use today which represent a considerable investment on the parts of their developers and users; the SDM can be effectively used in conjunction with these existing data base systems to enhance their effectiveness and usability. | |
| 650 | 7 | |a Data bases |2 dtict | |
| 650 | 7 | |a Data management |2 dtict | |
| 650 | 7 | |a Formats |2 dtict | |
| 650 | 7 | |a Information Science |2 scgdst | |
| 650 | 7 | |a Information systems |2 dtict | |
| 650 | 7 | |a Man computer interface |2 dtict | |
| 650 | 7 | |a Models |2 dtict | |
| 650 | 7 | |a Semantics |2 dtict | |
| 650 | 7 | |a Theses |2 dtict | |
| 650 | 7 | |a User needs |2 dtict | |
| 650 | 0 | 7 | |a Semantisches Datenmodell |0 (DE-588)4314515-2 |2 gnd |9 rswk-swf |
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Datensatz im Suchindex
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| illustrated | Not Illustrated |
| index_date | 2024-07-02T16:03:35Z |
| indexdate | 2024-07-09T20:46:30Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-015091498 |
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| physical | 378 S. |
| publishDate | 1978 |
| publishDateSearch | 1978 |
| publishDateSort | 1978 |
| publisher | Mass. Inst. of Technology, Laboratory for Computer Science |
| record_format | marc |
| spelling | McLeod, Dennis Verfasser (DE-588)1145705855 aut A semantic data base model and its associated structured user interface by Dennis McLeod Cambridge, Mass. Mass. Inst. of Technology, Laboratory for Computer Science 1978 378 S. txt rdacontent n rdamedia nc rdacarrier Zugl.: Diss. The conventional approaches to the structuring of data bases provided in contemporary data base management systems are in many ways unsatisfactory for modelling data base application environments. The features they provide are too low-level, computer-oriented, are representational to allow the semantics of a data base to be directly expressed in its structure. The semantic data model (SDM) has been designed as a natural application modelling mechanism that can capture and express the structure of an application environment. The features of the SDM correspond to the principal intentional structures naturally occurring in contemporary data base applications. The SDM provides a rich but limited vocabulary of data structure types and primitive operations, striking a balance between semantic expressibility and the control of complexity. Furthermore, facilities for expressing derived (conceptually redundant) information are an essential part of the SDM; derived information is as prominent in the description of an SDM data base as is primitive data. The SDM is designed to enhance the effectiveness and usability of data base systems. There are many data base management systems in use today which represent a considerable investment on the parts of their developers and users; the SDM can be effectively used in conjunction with these existing data base systems to enhance their effectiveness and usability. Data bases dtict Data management dtict Formats dtict Information Science scgdst Information systems dtict Man computer interface dtict Models dtict Semantics dtict Theses dtict User needs dtict Semantisches Datenmodell (DE-588)4314515-2 gnd rswk-swf Datenbank (DE-588)4011119-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Datenbank (DE-588)4011119-2 s Semantisches Datenmodell (DE-588)4314515-2 s DE-604 |
| spellingShingle | McLeod, Dennis A semantic data base model and its associated structured user interface Data bases dtict Data management dtict Formats dtict Information Science scgdst Information systems dtict Man computer interface dtict Models dtict Semantics dtict Theses dtict User needs dtict Semantisches Datenmodell (DE-588)4314515-2 gnd Datenbank (DE-588)4011119-2 gnd |
| subject_GND | (DE-588)4314515-2 (DE-588)4011119-2 (DE-588)4113937-9 |
| title | A semantic data base model and its associated structured user interface |
| title_auth | A semantic data base model and its associated structured user interface |
| title_exact_search | A semantic data base model and its associated structured user interface |
| title_exact_search_txtP | A semantic data base model and its associated structured user interface |
| title_full | A semantic data base model and its associated structured user interface by Dennis McLeod |
| title_fullStr | A semantic data base model and its associated structured user interface by Dennis McLeod |
| title_full_unstemmed | A semantic data base model and its associated structured user interface by Dennis McLeod |
| title_short | A semantic data base model and its associated structured user interface |
| title_sort | a semantic data base model and its associated structured user interface |
| topic | Data bases dtict Data management dtict Formats dtict Information Science scgdst Information systems dtict Man computer interface dtict Models dtict Semantics dtict Theses dtict User needs dtict Semantisches Datenmodell (DE-588)4314515-2 gnd Datenbank (DE-588)4011119-2 gnd |
| topic_facet | Data bases Data management Formats Information Science Information systems Man computer interface Models Semantics Theses User needs Semantisches Datenmodell Datenbank Hochschulschrift |
| work_keys_str_mv | AT mcleoddennis asemanticdatabasemodelanditsassociatedstructureduserinterface |