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1951
Result 1 – 20 of 410,772
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1 published by ACM
March 1977 ACM Transactions on Database Systems (TODS): Volume 2 Issue 1, March 1977
Publisher: ACM
Bibliometrics:
Citation Count: 75
Downloads (6 Weeks): 4,   Downloads (12 Months): 17,   Downloads (Overall): 670

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A database system can generally be divided into three major components. One component supports the logical database as seen by the user. Another component maps the information into physical records. The third component, called the storage component, is responsible for mapping these records onto auxiliary storage (generally disks) and controlling ...
Keywords: database, recovery, checkpoint-restart, storage management
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2 published by ACM
July 2002 JCDL '02: Proceedings of the 2nd ACM/IEEE-CS joint conference on Digital libraries
Publisher: ACM
Bibliometrics:
Citation Count: 15
Downloads (6 Weeks): 0,   Downloads (12 Months): 10,   Downloads (Overall): 951

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This paper refers to a previous proposal made at the 1st Joint Conference on Digital Libraries, on a novel approach to the problem of the long-term archiving of digital data. It reports on ongoing work in refining the methodology and building an initial prototype. The method is based on the ...
Keywords: archiving, digital information, digital library, emulation, virtual machine, preservation, digital documents
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3 published by ACM
January 2001 JCDL '01: Proceedings of the 1st ACM/IEEE-CS joint conference on Digital libraries
Publisher: ACM
Bibliometrics:
Citation Count: 13
Downloads (6 Weeks): 9,   Downloads (12 Months): 39,   Downloads (Overall): 2,133

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The preservation of digital data for the long term presents a variety of challenges from technical to social and organizational. The technical challenge is to ensure that the information, generated today, can survive long term changes in storage media, devices and data formats. This paper presents a novel approach to ...
Keywords: archival, digital documents, digital information, digital library, emulation, preservation
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4
October 1983 VLDB '83: Proceedings of the 9th International Conference on Very Large Data Bases
Publisher: Morgan Kaufmann Publishers Inc.
Bibliometrics:
Citation Count: 5

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5
August 1984 VLDB '84: Proceedings of the 10th International Conference on Very Large Data Bases
Publisher: Morgan Kaufmann Publishers Inc.
Bibliometrics:
Citation Count: 30

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6 published by ACM
June 1982 SIGMOD '82: Proceedings of the 1982 ACM SIGMOD international conference on Management of data
Publisher: ACM
Bibliometrics:
Citation Count: 84
Downloads (6 Weeks): 4,   Downloads (12 Months): 15,   Downloads (Overall): 423

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Relational database systems are attracting great interest from potential users outside the traditional areas in which such systems have been employed. Features of modern relational systems such as powerful query facilities, data and device independence, concurrency control, and recovery are useful in applications such as engineering design, office automation, and ...
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7 published by ACM
November 1970 SIGFIDET '70: Proceedings of the 1970 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 1,   Downloads (12 Months): 4,   Downloads (Overall): 44

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8 published by ACM
June 1992 SIGMOD '92: Proceedings of the 1992 ACM SIGMOD international conference on Management of data
Publisher: ACM
Bibliometrics:
Citation Count: 44
Downloads (6 Weeks): 2,   Downloads (12 Months): 25,   Downloads (Overall): 581

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We present efficient and flexible methods which permit read-only transactions that do not mind reading a possibly slightly old, but still consistent, version of the data base to execute without acquiring locks. This approach avoids the undesirable interferences between such queries and the typically shorter update transactions that cause unnecessary ...
Also published in:
June 1992  ACM SIGMOD Record: Volume 21 Issue 2, June 1, 1992
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9 published by ACM
July 2005 ACM Transactions on Information Systems (TOIS): Volume 23 Issue 3, July 2005
Publisher: ACM
Bibliometrics:
Citation Count: 11
Downloads (6 Weeks): 2,   Downloads (12 Months): 19,   Downloads (Overall): 1,285

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How can an author store digital information so that it will be reliably intelligible, even years later when he or she is no longer available to answer questions? Methods that might work are not good enough; what is preserved today should be reliably intelligible whenever someone wants it. Prior proposals ...
Keywords: encoding, Long-term digital preservation
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10
July 1989 VLDB '89: Proceedings of the 15th international conference on Very large data bases
Publisher: Morgan Kaufmann Publishers Inc.
Bibliometrics:
Citation Count: 11

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11
June 1984 DAC '84: Proceedings of the 21st Design Automation Conference
Publisher: IEEE Press
Bibliometrics:
Citation Count: 7
Downloads (6 Weeks): 1,   Downloads (12 Months): 1,   Downloads (Overall): 147

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An important use for a database management system is in the storage and handling of information for engineering design, particularly integrated circuit design. However, most discussions on this topic have concentrated on the layout of shapes necessary to form the various circuit elements, or connections between user-defined cells. Equally important, ...
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12 published by ACM
September 1975 VLDB '75: Proceedings of the 1st International Conference on Very Large Data Bases
Publisher: ACM
Bibliometrics:
Citation Count: 27
Downloads (6 Weeks): 5,   Downloads (12 Months): 19,   Downloads (Overall): 311

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This paper proposes a locking protocol which associates locks with sets of resources. This protocol allows simultaneous locking at various granularities by different transactions. It is based on the introduction of additional lock modes besides the conventional share mode and exclusive mode. The protocol is generalized from simple hierarchies of ...
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13 published by ACM
November 1976 Communications of the ACM: Volume 19 Issue 11, Nov. 1976
Publisher: ACM
Bibliometrics:
Citation Count: 644
Downloads (6 Weeks): 8,   Downloads (12 Months): 115,   Downloads (Overall): 2,412

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In database systems, users access shared data under the assumption that the data satisfies certain consistency constraints. This paper defines the concepts of transaction, consistency and schedule and shows that consistency requires that a transaction cannot request new locks after releasing a lock. Then it is argued that a transaction ...
Keywords: consistency, transaction, concurrancy, database, lock
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14 published by ACM
June 1981 ACM Computing Surveys (CSUR): Volume 13 Issue 2, June 1981
Publisher: ACM
Bibliometrics:
Citation Count: 144
Downloads (6 Weeks): 9,   Downloads (12 Months): 67,   Downloads (Overall): 1,832

Full text available: PDFPDF
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15 published by ACM
May 1979 SIGMOD '79: Proceedings of the 1979 ACM SIGMOD international conference on Management of data
Publisher: ACM
Bibliometrics:
Citation Count: 761
Downloads (6 Weeks): 52,   Downloads (12 Months): 498,   Downloads (Overall): 7,108

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In a high level query and data manipulation language such as SQL, requests are stated non-procedurally, without reference to access paths. This paper describes how System R chooses access paths for both simple (single relation) and complex queries (such as joins), given a user specification of desired data as a ...
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16 published by ACM
March 1981 ACM Transactions on Database Systems (TODS): Volume 6 Issue 1, March 1981
Publisher: ACM
Bibliometrics:
Citation Count: 38
Downloads (6 Weeks): 1,   Downloads (12 Months): 12,   Downloads (Overall): 448

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System R supports a high-level relational user language called SQL which may be used by ad hoc users at terminals or as an embedded data sublanguage in PL/I or COBOL. Host-language programs with embedded SQL statements are processed by the System R precompiler which replaces the SQL statements by calls ...
Keywords: performance measurements, relational database systems, query languages, compilation, transaction processing
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17 published by ACM
June 1976 ACM Transactions on Database Systems (TODS): Volume 1 Issue 2, June 1976
Publisher: ACM
Bibliometrics:
Citation Count: 397
Downloads (6 Weeks): 20,   Downloads (12 Months): 199,   Downloads (Overall): 4,799

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System R is a database management system which provides a high level relational data interface. The systems provides a high level of data independence by isolating the end user as much as possible from underlying storage structures. The system permits definition of a variety of relational views on common underlying ...
Keywords: index structures, recovery, authorization, data structures, locking, database, nonprocedural language, relational model
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18 published by ACM
October 1981 Communications of the ACM: Volume 24 Issue 10, Oct. 1981
Publisher: ACM
Bibliometrics:
Citation Count: 73
Downloads (6 Weeks): 21,   Downloads (12 Months): 197,   Downloads (Overall): 2,091

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System R, an experimental database system, was constructed to demonstrate that the usability advantages of the relational data model can be realized in a system with the complete function and high performance required for everyday production use. This paper describes the three principal phases of the System R project and ...
Keywords: recovery, authorization, locking, access path selection, compilation, database management systems, relational model
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19 published by ACM
April 2006 SIGMIS CPR '06: Proceedings of the 2006 ACM SIGMIS CPR conference on computer personnel research: Forty four years of computer personnel research: achievements, challenges & the future
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 7,   Downloads (12 Months): 17,   Downloads (Overall): 487

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The growing phenomenon of outsourcing, both onshore and offshore, has gained a great deal of attention and enabled the formation of new, flexible business models. It is of particular interest to portable enterprises such as programming and other producers of intellectual property. Economic changes as well as shifts in traditional ...
Keywords: outsourcing, microsourcing, sub-contracting, personal outsourcing
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20
December 2002 Journal of Computing Sciences in Colleges: Volume 18 Issue 2, December 2002
Publisher: Consortium for Computing Sciences in Colleges
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 2,   Downloads (Overall): 341

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E-business is a hot new topic being taught today in Computer Science departments. E-business is a broad subject that includes e-commerce, but covers more than just the selling of goods. E-business can be a difficult course to teach, in that both business and technological topics must be discussed. Business departments ...
Keywords: computer science e-business, enterprise, teaching e-business, JavaBeans
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Result 1 – 20 of 410,772
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