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    • 26. 发明授权
    • Cache invalidation technique with spurious resource change indications
    • 具有虚假资源变化指示的缓存失效技术
    • US06912562B1
    • 2005-06-28
    • US10339687
    • 2003-01-13
    • Balachander KrishnamurthyMichael Rabinovich
    • Balachander KrishnamurthyMichael Rabinovich
    • G06F12/00G06F12/08G06F15/16H04L29/06H04L29/08
    • H04L29/06G06F12/0891H04L67/2842H04L69/329
    • A Web server maintains, for one or more resources, a respective list of clients who requested that resource. The server takes on the responsibility of notifying all of those clients on when the resource in question changes, thereby letting them know that if the resource is again asked for by a user, an updated copy will have to be requested from the origin server. The server thereupon purges the client list, and then begins rebuilding it as subsequent requests come in for the resource in question. Invalidation messages are sent to selected “victim” clients on the client list, independent of whether the resource in question has changed, when the list meets a predetermined criterion, such as becoming too large. The victim clients may include clients who access the server less frequently than others, clients who have accessed the server in the more distant past than other clients, i.e., using a first-in-first methodology, or clients who have not subscribed to a service that keeps them from being victim clients. Review of a client list to determine whether it meets the selected criterion can be invoked every time a client gets added to a client list or on a scheduled basis.
    • Web服务器为一个或多个资源维护请求该资源的客户端的相应列表。 服务器负责在所涉及的资源何时更改所有这些客户端,从而让他们知道,如果用户再次要求资源,则必须从源服务器请求更新的副本。 因此,服务器清除客户端列表,然后随着后续请求进入相关资源,开始重建它。 当列表满足预定标准(例如变得太大)时,无效消息被发送到客户端列表上的所选“受害者”客户端,而不管所述资源是否已经改变。 受害者客户端可能包括访问服务器的客户端比其他客户端更频繁地访问服务器,在其他客户端远处访问服务器的客户端,即使用先入先出的方法,或者尚未订阅服务的客户端 使他们成为受害者的客户。 客户端列表的查看以确定它是否满足所选择的标准,可以在客户端每次添加到客户端列表或按计划进行时被调用。
    • 28. 发明授权
    • Method and apparatus for sharing a web page
    • 用于共享网页的方法和装置
    • US5956027A
    • 1999-09-21
    • US571322
    • 1995-12-12
    • Balachander Krishnamurthy
    • Balachander Krishnamurthy
    • G06F17/30H04L29/06G06F13/00
    • G06F17/30873H04L63/08
    • A method and apparatus for one user of the World Wide Web (WWW) to share an interesting WWW page with other users who have interest in the subject matter thereof. The user offers to share this WWW page by transmitting an announcement thereof. The other users have pre-arranged specifications stored in memory of their server(s) of what subject matter announcements will be accepted from which announcing users. Thus, the recipients can limit or filter the announcements of the URL's that they receive from others. If there is a match between the announcer's subject matter, perhaps the announcer's identity and/or employer's identity, and the recipient's specified acceptance criteria, then the server performing match up will take the action specified by the other user to be taken. Actions to be taken include load URL into WWW browser and download announced WWW page immediately for viewing, and store URL for later review.
    • 用于万维网(WWW)的一个用户的方法和装置与其主题感兴趣的其他用户共享有趣的WWW页面。 用户提供通过发送其通知来共享该WWW页面。 其他用户已经预先安排规格,存储在其服务器的存储器中,从哪个通告用户接收什么主题通知。 因此,收件人可以限制或过滤他们从他人那里收到的URL的公告。 如果播音员的主题,可能是播音员的身份和/或雇主的身份与收件人指定的接受标准之间有匹配,则执行匹配的服务器将采取由其他用户指定的动作进行拍摄。 要采取的行动包括将URL加载到WWW浏览器中,并立即下载已公布的WWW页面进行查看,并存储URL供以后审核。
    • 30. 发明授权
    • Multi-dimensional user-specified extensible narrowcasting system
    • 多维用户指定的可扩展窄播系统
    • US08839454B2
    • 2014-09-16
    • US12947447
    • 2010-11-16
    • Balachander Krishnamurthy
    • Balachander Krishnamurthy
    • G06F7/04G06F12/14H04L29/06H04N7/16
    • H04L51/32H04L12/185
    • Narrowcast communication to one or more narrowcast communication recipients is provided through the use of an extensible method and apparatus. A narrowcast communication sender determines a set of attributes that define who will be eligible to receive a narrowcast communication. The set of attributes characterize potential recipients according to qualities such as interests, location, or another descriptor of a potential narrowcast communication recipient. Through the use of a privacy sphere, attributes associated with the narrowcast communication are matched to the qualities of potential recipients to identify the network addresses of the narrowcast communication recipients. The narrowcast communication is then transmitted to those network addresses. The narrowcast communication can be then expired from recipients who are no longer eligible to receive it and transmitted to recipients who become eligible to receive the narrowcast communication.
    • 通过使用可扩展的方法和装置来提供对一个或多个窄播通信接收者的窄播通信。 狭窄的通信发送者确定一组属性,定义谁将有资格接收窄播通信。 这些属性是根据潜在收信人的兴趣,位置或其他描述符等特征来表征潜在的接收者。 通过使用隐私领域,与窄带通信相关联的属性与潜在接收者的质量相匹配,以识别窄频通信接收者的网络地址。 然后将窄带通信传输到这些网络地址。 接收者可能已经不再有资格接收窄带通信并传送给有资格接收窄频通信的接收者。