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1. 发明申请

US20090037393A1 System and Method of Accessing a Document Efficiently Through Multi-Tier Web Caching 有权
标题翻译：通过多层Web缓存高效访问文档的系统和方法
公开(公告)号：US20090037393A1
公开(公告)日：2009-02-05
申请号：US12251413
申请日：2008-10-14
申请人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
发明人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
IPC分类号： G06F7/06 , G06F17/30
CPC分类号： G06F17/30902 , G06F17/30011 , Y10S707/99931 , Y10S707/99932
摘要： Upon receipt of a document request, a client assistant examines its cache for the document. If not successful, a server searches for the requested document in its cache. If the server copy is still not fresh or not found, the server seeks the document from its host. If the host cannot provide the copy, the server seeks it from a document repository. Certain documents are identified from the document repository as being fresh or stable. Information about each these identified documents is transmitted to the server which inserts entries into an index if the index does not already contain an entry for the document. If and when this particular document is requested, the document will not be present in the server, however the server will contain an entry directing the server to obtain the document from the document repository rather than the document's web host.
摘要翻译：在接收到文档请求时，客户端助理检查其文件的缓存。如果不成功，服务器将在其缓存中搜索所请求的文档。如果服务器副本仍然不新鲜或找不到，则服务器从其主机寻找文档。如果主机无法提供副本，则服务器从文档存储库中查找它。某些文件从文档库中确定为新鲜或稳定。关于每个这些标识的文档的信息被传送到服务器，如果索引还没有包含文档的条目，则将该条目插入到索引中。如果请求此特定文档时，该文档将不存在于服务器中，但是服务器将包含一个条目，指示服务器从文档存储库而不是文档的Web主机获取文档。

2. 发明授权

US08275790B2 System and method of accessing a document efficiently through multi-tier web caching 有权
标题翻译：通过多层网页缓存有效访问文档的系统和方法
公开(公告)号：US08275790B2
公开(公告)日：2012-09-25
申请号：US12251413
申请日：2008-10-14
申请人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
发明人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
IPC分类号： G06F17/30
CPC分类号： G06F17/30902 , G06F17/30011 , Y10S707/99931 , Y10S707/99932
摘要： Upon receipt of a document request, a client assistant examines its cache for the document. If not successful, a server searches for the requested document in its cache. If the server copy is still not fresh or not found, the server seeks the document from its host. If the host cannot provide the copy, the server seeks it from a document repository. Certain documents are identified from the document repository as being fresh or stable. Information about each these identified documents is transmitted to the server which inserts entries into an index if the index does not already contain an entry for the document. If and when this particular document is requested, the document will not be present in the server, however the server will contain an entry directing the server to obtain the document from the document repository rather than the document's web host.
摘要翻译：在接收到文档请求时，客户端助理检查其文件的缓存。如果不成功，服务器将在其缓存中搜索所请求的文档。如果服务器副本仍然不新鲜或找不到，则服务器从其主机寻找文档。如果主机无法提供副本，则服务器从文档存储库中查找它。某些文件从文档库中确定为新鲜或稳定。关于每个这些标识的文档的信息被传送到服务器，如果索引还没有包含文档的条目，则将该条目插入到索引中。如果请求此特定文档时，该文档将不存在于服务器中，但是服务器将包含一个条目，指示服务器从文档存储库而不是文档的Web主机获取文档。

3. 发明授权

US07437364B1 System and method of accessing a document efficiently through multi-tier web caching 有权
标题翻译：通过多层网页缓存有效访问文档的系统和方法
公开(公告)号：US07437364B1
公开(公告)日：2008-10-14
申请号：US10882795
申请日：2004-06-30
申请人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
发明人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
IPC分类号： G06F17/30
CPC分类号： G06F17/30902 , G06F17/30011 , Y10S707/99931 , Y10S707/99932
摘要： Upon receipt of a document request, a client assistant examines its cache for the document. If not successful, a server searches for the requested document in its cache. If the server copy is still not fresh or not found, the server seeks the document from its host. If the host cannot provide the copy, the server seeks it from a document repository. Certain documents are identified from the document repository as being fresh or stable. Information about each these identified documents is transmitted to the server which inserts entries into an index if the index does not already contain an entry for the document. If and when this particular document is requested, the document will not be present in the server, however the server will contain an entry directing the server to obtain the document from the document repository rather than the document's web host.
摘要翻译：在接收到文档请求时，客户端助理检查其文件的缓存。如果不成功，服务器将在其缓存中搜索所请求的文档。如果服务器副本仍然不新鲜或找不到，则服务器从其主机寻找文档。如果主机无法提供副本，则服务器从文档存储库中查找它。某些文件从文档库中确定为新鲜或稳定。关于每个这些标识的文档的信息被传送到服务器，如果索引还没有包含文档的条目，则将该条目插入到索引中。如果请求此特定文档时，该文档将不存在于服务器中，但是服务器将包含一个条目，指示服务器从文档存储库而不是文档的Web主机获取文档。

4. 发明授权

US07587398B1 System and method of accessing a document efficiently through multi-tier web caching 有权
标题翻译：通过多层网页缓存有效访问文档的系统和方法
公开(公告)号：US07587398B1
公开(公告)日：2009-09-08
申请号：US10882794
申请日：2004-06-30
申请人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat
发明人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat
IPC分类号： G06F17/30
CPC分类号： G06F17/30899 , Y10S707/99933 , Y10S707/99953
摘要： The present invention is directed to a client-server network system implementing a multi-tier caching strategy for a user to access a document efficiently. The system comprises a client cache assistant serving as proxy for web browsers, a remote cache server managing user-requested documents and a search engine repository storing a huge number of documents as a backup for the remote cache server. Upon receipt of a document request, the client cache assistant examines its client cache to identify the requested document. If not successful, the remote cache server then identifies a copy of the requested document in its own cache and transmits a content difference between the two copies to the client cache assistant. If the server copy is still not fresh or not found, the remote cache server seeks another copy of the requested document from the search engine repository and transmits another content difference to the client cache assistant. The client cache assistant merges the content differences and the original copy into a new copy of the requested document.
摘要翻译：本发明涉及一种实现用于用户高效访问文档的多层缓存策略的客户端 - 服务器网络系统。该系统包括用作web浏览器的代理的客户端缓存助理，管理用户请求的文档的远程缓存服务器和存储大量文档作为远程高速缓存服务器的备份的搜索引擎存储库。在接收到文档请求时，客户机缓存助理检查其客户端缓存以识别所请求的文档。如果不成功，则远程缓存服务器然后在其自己的高速缓存中标识所请求的文档的副本，并将两个副本之间的内容差异发送到客户端缓存助理。如果服务器副本仍然不新鲜或未找到，则远程缓存服务器从搜索引擎存储库中寻找所请求文档的另一个副本，并向客户端缓存助理发送另一个内容差异。客户端缓存助理将内容差异和原始副本合并到请求文档的新副本中。

5. 发明授权

US08788475B2 System and method of accessing a document efficiently through multi-tier web caching 有权
标题翻译：通过多层网页缓存有效访问文档的系统和方法
公开(公告)号：US08788475B2
公开(公告)日：2014-07-22
申请号：US13536701
申请日：2012-06-28
申请人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
发明人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
IPC分类号： G06F17/30
CPC分类号： G06F17/30902 , G06F17/30011 , Y10S707/99931 , Y10S707/99932
摘要： Upon receipt of a document request, a client assistant examines its cache for the document. If not successful, a server searches for the requested document in its cache. If the server copy is still not fresh or not found, the server seeks the document from its host. If the host cannot provide the copy, the server seeks it from a document repository. Certain documents are identified from the document repository as being fresh or stable. Information about each of these identified documents is transmitted to the server which inserts entries into an index if the index does not already contain an entry for the document. If and when this particular document is requested, the document will not be present in the server, however the server will contain an entry directing the server to obtain the document from the document repository rather than the document's web host.
摘要翻译：在接收到文档请求时，客户端助理检查其文件的缓存。如果不成功，服务器将在其缓存中搜索所请求的文档。如果服务器副本仍然不新鲜或找不到，则服务器从其主机寻找文档。如果主机无法提供副本，则服务器从文档存储库中查找它。某些文件从文档库中确定为新鲜或稳定。关于这些标识文档中的每一个的信息被传送到服务器，如果该索引尚未包含该文档的条目，则将该条目插入到索引中。如果请求此特定文档时，该文档将不存在于服务器中，但是服务器将包含一个条目，指示服务器从文档存储库而不是文档的Web主机获取文档。

6. 发明申请

US20120271852A1 System and Method of Accessing a Document Efficiently Through Multi-Tier Web Caching 有权
标题翻译：通过多层Web缓存高效访问文档的系统和方法
公开(公告)号：US20120271852A1
公开(公告)日：2012-10-25
申请号：US13536701
申请日：2012-06-28
申请人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
发明人： Eric Russell Fredricksen , Fritz John Schneider , Jeffrey Adgate Dean , Sanjay Ghemawat , Niels Provos , Georges Harik
IPC分类号： G06F17/30
CPC分类号： G06F17/30902 , G06F17/30011 , Y10S707/99931 , Y10S707/99932
摘要： Upon receipt of a document request, a client assistant examines its cache for the document. If not successful, a server searches for the requested document in its cache. If the server copy is still not fresh or not found, the server seeks the document from its host. If the host cannot provide the copy, the server seeks it from a document repository. Certain documents are identified from the document repository as being fresh or stable. Information about each of these identified documents is transmitted to the server which inserts entries into an index if the index does not already contain an entry for the document. If and when this particular document is requested, the document will not be present in the server, however the server will contain an entry directing the server to obtain the document from the document repository rather than the document's web host.
摘要翻译：在接收到文档请求时，客户端助理检查其文件的缓存。如果不成功，服务器将在其缓存中搜索所请求的文档。如果服务器副本仍然不新鲜或找不到，则服务器从其主机寻找文档。如果主机无法提供副本，则服务器从文档存储库中查找它。某些文件从文档库中确定为新鲜或稳定。关于这些标识文档中的每一个的信息被传送到服务器，如果索引尚未包含文档的条目，则将该条目插入到索引中。如果请求此特定文档时，该文档将不存在于服务器中，但是服务器将包含一个条目，指示服务器从文档存储库而不是文档的Web主机获取文档。

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