[특허]System and method for providing collaborative replicated objects for synchronous distributed groupware applications

[미국특허] System and method for providing collaborative replicated objects for synchronous distributed groupware applications 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-009/00
출원번호	US-0863782 (1997-05-27)
발명자 / 주소	Guruduth Somasekhara Banavar Kevan Lee Miller Atul Prakash Robert Evan Strom Michael James Ward
출원인 / 주소	International Business Machines Corporation
대리인 / 주소	Gail H. Zarick
인용정보	피인용 횟수 : 54 인용 특허 : 10

초록 ▼

A system and method featuring a collection of model objects which hold data to be shared, and supporting interfaces to read and write the data, to create and destroy collaboration relationships and to attach "view objects" containing application code which will be automatically notified of value changes. Each user environment is provided with a model object control entity, referred to herein as a Collaboration Manager, which creates model objects, executes transactions, and creates association objects related to the collaboration. A concurrency control mechanism records the reads and updates of the data and of collaboration relationships within a single transaction site and guarantees that they are applied atomically and consistently to both the local and to all remote replica objects of the collaboration.

대표청구항 ▼

1. A collaboration of distributed user sites having shared computer information comprising:a local user site having a collaboration manager for creating at least one model object, for interacting with collaboration managers at other of said distributed user sites and for executing transactions for reading and writing said at least one local model object created by said collaboration manager for responding to requests pertaining to said shared computer information, interface means for reading and writing said at least one local model object and at least one programming interface for attaching programmer-specified pessimistic and optimistic view object to said at least one local model object; and a plurality of remote user sites each having at least one remote model object and having at least one of an optimistic and pessimistic view object attached to said remote model object, wherein said at least one local model object and said at least one remote model object maintain said shared computer information.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

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Wang Chung C. (Dallas TX), System for selectively registering and blocking requests initiated by optimistic and pessimistic transactions respective.
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Bly Sara A. (Mountain View CA) Hodges Jeffrey D. (Newark CA) Kupfer Michael D. (Mountain View CA) Lewis Brian T. (Palo Alto CA) Tallan Michael L. (Mountain View CA) Tom Stephen B. (San Francisco CA), Updating local copy of shared data in a collaborative system.
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Holt, John M., Advanced contention detection.
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Holt, John M., Computer architecture and method of operation for multi-computer distributed processing having redundant array of independent systems with replicated memory and code striping.
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Kontny, Nathan D.; Groon, J. C.; Arnholt, Katie J.; Nebolsky, Charles; Jacobson, Mark, Dynamic collaboration assistant.
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Cahill, Jason M; Fanaru, Adrian; Friesenhahn, Dustin G; Gur-esh, Ethan D; Liu, Hai, Method for automatically associating data with a document based on a prescribed type of the document.
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Barinov, Vitaly Y.; Balkin, Dmytro G., Method for improving temporal consistency and snapshot recency in a monitored real-time software-reporting-application architecture.
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Holt, John M., Modified computer architecture having coordinated deletion of corresponding replicated memory locations among plural computers.
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Holt, John M., Modified machine architecture with advanced synchronization.
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Beaven, Douglas F.; Ahlgren, Janet; Kelley, Kevin; Palmer, Gorham; Rudolph, Stuart E., System and method for supporting collaborative activity.
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Lai, William Yanwah; Liffick, Steven M., Systems and methods for sending coordinated notifications.
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[미국특허] System and method for providing collaborative replicated objects for synchronous distributed groupware applications 원문보기