CN1755677B - 使用索引关键词的范围搜索系统和方法 - Google Patents
使用索引关键词的范围搜索系统和方法 Download PDFInfo
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
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- G06F16/90—Details of database functions independent of the retrieved data types
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S707/99932—Access augmentation or optimizing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99933—Query processing, i.e. searching
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99933—Query processing, i.e. searching
- Y10S707/99936—Pattern matching access
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99941—Database schema or data structure
- Y10S707/99943—Generating database or data structure, e.g. via user interface
Abstract
在与搜索范围相关联的而不是搜索目标文档内容相关的索引搜索系统中包括了一索引关键词集合。这些范围相关的索引关键词，或是范围关键词允许选择搜索的范围，减少了一个搜索为获得结果所要求筛选的文档数。进一步来说，复合范围被辨识和存储，使得复杂搜索范围索引被提供用来消除基于这些复杂搜索范围的搜索的再散列。
Description
背景技术
在网络和文件系统中搜索内容已经有很多种形式，但是大多数通常是由各种搜索引擎提供的。搜索引擎就是利用特定关键词来搜索文档并且返回关键词所在文档列表的程序。
典型地，搜索引擎通过放出网络蜘蛛来得到尽可能多文档来工作的。另一种程序，称之为索引器，读取这些文档然后基于每个文档中所包含的单词来创建一索引。一个索引就是关键词或者是关键词列表，每一个关键词都能唯一确定记录。索引能够更快地发现特定记录并通过索引字段对这些记录分类。搜索引擎通常使用能创建其索引的算法，使得理想地，对于客户或者使用者的每次查询，只有有意义的结果才会返回。
这些查询的一个公平一致的方面就是关键词或者是索引关键词的使用。无论用户作为长段文本字符串或者布尔操作符连接输入搜索查询，这些搜索引擎都会检查与这些字符串匹配的和所输入关键词对应的文档的所有记录。随之会返回满足布尔操作数限制或者与长字段相对应的记录子集。检查这些记录可能是一个耗费时间又很昂贵的工作。此外，客户可能不需要包含特定关键词文档的全记录。
发明内容
该发明实施例是与通过提供索引关键词类，称为范围关键词定义了搜索范围而不是仅仅提供关键词，来解决上述限制的系统和方法相关的。当在搜索查询中输入范围关键词时，该范围关键词限制了所搜寻的索引记录的范围。举例说明，一个范围关键词能够通过将搜索结果限制为某种文件类型，如.mpg文件来限制搜索范围。另一种搜索关键词能够根据URL(统一资源定位器)来限制搜索范围，这样只能搜索在该URL下的文档。还有另一种范围关键词能够将搜索范围限制为在用户计算机或者其他网络计算机上的特定数据库中。因此该项发明通过允许用户通过使用特定索引关键词类来限制搜索范围从而明显地缩减了搜索时间和开销，解决了上述提及的问题。
按照本发明另一方面，也可以辨认和存储复合范围。这个附加的索引划分包括这些基本范围组合的范围定义。当这些组合范围被引用时，与这些组合范围相对应的文档已经被分辨，允许更快的搜索。
附图说明
图1说明可在该发明实施例中应用的典型计算设备。
图2说明根据该发明实施例使用索引关键词用于范围索引的示范系统模型示意图。
图3说明根据该发明实施例索引的示范结构模型示意图
图4说明根据该发明实施例管理复合范围的示范模型示意图
图5说明根据该发明实施例产生索引的示范过程逻辑进程图。
图6说明根据该发明实施例编辑索引的示范过程逻辑流程图。
图7说明根据该发明实施例处理查询的示范过程逻辑流程图。
具体实施方式
通过附图以下将会更完善地描述该项发明，这也将形成本文的一部分，通过图示表明实践该发明的特定示范实施例。该发明可能也会通过很多不同形式来体现，而不是仅仅局限于本文所设定的实施例；更甚者，通过提供这些实施例，这个揭示才会更彻底和完善，并且能够完全把这个发明应用传递给在该方面资深的那些人。在这些事物中，该项发明可以通过方法或是设备来体现，相应地，该发明可以采用全部地硬件实施例，或全部地软件实施例，或是软硬件结合的实施例形式。因而下述详细描述不是以限制意义作出的。
说明性运行环境
参照图1，实现该发明的示范性系统包含一个计算设备，如计算设备100。计算设备可以作为客机，服务器，移动设备或是任何其他计算设备配置而成。在最基本的配置中，计算设备100一般包含至少一个处理单元102和系统存储器104。根据计算设备的确切配置和类型，系统存储器104可以是易失性的(如RAM)，非易失性的(如ROM，闪存等)或是这两种的组合。系统存储器104一般包含操作系统105，一个或是多个应用程序106，以及可能包含程序数据107。在一个实施例中，应用程序106包含一个搜索范围应用程序120用于实现该发明功能。图1虚线108中这些元件显示为基本配置。
计算设备100可能包含其他功能特性。举例来说，计算设备100可能包含额外的数据存储设备(可移动的或是不可移动的)如，举例来说，磁盘，光盘或是磁带。图1通过可移动存储器109和不可移动存储器110显示这些额外存储设备。计算机存储媒介可能包括易失性和非易失性，可移动和不可移动媒质，这些媒质可以在任何方法或是技术中实现用于存储信息，如计算机可读指令，数据结构，程序模型或其他数据。系统存储器104，可移动存储109以及不可移动存储100包含了计算机存储媒质所有例子。计算机存储媒质包含，但不仅仅局限于，RAM，ROM，EEPROM，闪存或其他存储技术，CD-ROM，数字易失性光盘(DVD)或是其他光学存储器，磁带盒，磁带，磁盘存储或是其他磁性存储设备，或是能够用于存储想要的信息同时又是计算设备100可访问的任何其他媒质。计算设备100可以具有输入设备112如键盘，鼠标，笔，声音输入设备，触摸输入设备等。也可包括输出设备114如显示器，扬声器，打印机等。
计算设备100还包含通信连接器116，允许设备和其他计算设备118，如经网络通信。通信连接116是通信媒介的一种示例。通信媒介一般通过计算可读指令，数据结构，程序模型或是其他调制数据信号中的数据，如载波或是其他发送机制来体现，同时包括任意信息传递媒质。“调制数据信号”表示该信号具有一个或是多个特性以某种方式被设定或是改变来编码信号中的信息。通过示例，但不限制，通信媒介包括有线媒介，如有线网络或是直线连接，无线媒介如声学的，射频，红外以及其他无线媒介。其中所运用的计算机可读媒介同时包含存储媒介和通信媒介。
用于范围搜索的说明性实施例
在接下来的描述和权利要求中，术语“文档”是指任何可以返回作为搜索查询和网络爬行结果的任何可能资源，如网络文档，文件，文件夹，Web网页以及其他资源.文字“索引关键词”是指任何关键词或是与在搜索查询中或创建索引时用于锁定一系列目标文档的搜索相关的关键词.文字“范围关键词”是指用来缩小搜索范围的任何索引关键词，使得在搜索开始前所搜索的文档数将被缩减.可以根据属性如文件类型，位置如某些数据库或是URL，通过其他缩减搜索文档数的准则来缩小搜索范围.
本发明的实施例通过呈现每一项具有关键词索引范围以及对查询增加合适的范围关键词来限制范围以提高在所有范围内查询效率。所提供的方法与基于文档特性(如URL或其他元数据)为与用户关键词匹配范围的每个文档重新计算范围条件相反。由于大多数范围表示所有爬行项目集合的一个窄带，范围查询的效率提高的倍数小于但是与该窄带的狭窄性范围相关。举例而言，一个门户管理员(如提供包括搜索服务在内主机服务的web网站)可能会决定该门户的使用者对功能说明特别感兴趣。因此提供只通过这些说明来搜索关键词而不用是在其他文档中筛选得到那些词汇的搜索机制是有利的。通过一个管理界面，管理员可以定义具有下列规则的范围：特征＝“spec”，或者这一范围可以已经被定义为一基本范围。管理员可以用基本范围来定义具有以下规则的复合范围：特征＝“spec”AND文件类型＝“Text”AND作者！＝“John Doe”。在为客户机用户界面给出这个范围的友好名字并且指定从哪些站点可以获得，这些范围出现在客户机的下拉范围列表中。这个范围选择只返回具有那个特性值作为查询结果的文档。以这种方式由管理员定义的范围可以被称为是编辑范围。
此外，还可以获取几个默认的范围选择。可以将搜索“所有内容”的任选项呈现一般客户，这样就可以简单表示无规定范围的搜索。对于该“站点”的范围选择搜寻在当前有站点以及子站点的所有文档。包含一定结果的范围也可以被生成而不是简单地识别包含在特定子集中的文档的范围。举例而言，一个范围定义可以对应于搜索除了文本文档(.txt)以外的所有文档的搜索相对应。另一范围定义可以对应于对网络中除了和特定网站URL相关的文档以外的所有文档的搜索。范围选择数量无论是默认的，授予的或其它方式的是不受限于此处所描述的那些形式。
在另一实施例中，也会给予客户选项将范围关键词直接键入搜索请求。为了方便客户使用，授予范围关键词以名字，将名字键入搜索请求限制了相关范围的搜索。
图2说明了根据本发明使用索引关键词来进行范围搜索的示范系统功能框图。系统200包括索引210，管道220，文档界面230，客户机界面240，范围插件250，索引插件260，范围描述270以及管理界面280。
索引210被构建为包含用于内容关键词(如关键词)和范围关键词的分开的索引。索引210更详细的结构描述在图3中提供。这些索引记录用来向客户查询提供结果，在一个实施例中，索引210和多个集中提供索引记录存储的多个数据库相对应。
管道220是用于索引获取文档或是文档记录的收集机制的说明性表示。管道220在键入与数据相呼应的记录至索引210之前允许通过各种插件滤除数据(如范围插件250)。
文档界面230可以为跨多个数据库和网络位置检索文档提供协议，网络访问节点以及数据库访问节点。例举，文档界面230可以在提供对本地服务器数据库的访问以及对当前计算设备上的数据库访问的同时提供对互联网的访问。其他实施例可以通过各种协议而不脱离本发明原则和范围来访问其他文档位置。
客户机界面240可以通过客户机提供访问来定义和启动一个搜索.可以根据关键词和/或范围关键词来定义搜索.用于处理搜索查询的示例方法会在以下图7中进行更详细的讨论.
范围插件250为若干收集管道插件之一。范围插件250识别特性值来作为范围关键词要被重新发出(即作为范围索引中要被索引的项)。被识别为与范围相关的感兴趣的特性(如文档类型，URL等)的这些特性由范围插件250随着通过文档界面230提供的文档被爬行而被收集。这些特性由范围插件250重新发射到管道220中从而被包含在索引中210。根据这些特性对于管理员或是其他实施体向客户提供范围选择来说这些特性同样也是可用的。
索引插件260是与管道220相连的另一个插件。索引插件提供用于产生，划分以及更新索引210的机制。用于产生索引210的示例方法将在下面的图5中详细讨论。用于更新索引210的示范方法在下面图6中详细讨论。在一个实施例中，在将结果刷新到索引210之前，索引插件260能够提供暂时高速缓存由被爬行的文档产生的关键词和范围关键词词汇列表。从包含在这些词汇列表中的爬行结果中填充索引210记录。
范围描述270提供了存储有关范围的信息的表。例如，范围描述270可以包含管理信息和内部信息，如范围，范围规则，可视性以及其他与范围相关属性和为搜索查询中使用而产生的范围选择相对应的属性。范围描述270通过范围插件250接收特性来产生范围选择。范围描述270还可以由索引插件260访问用于在索引210内对范围索引产生和组织。索引210还访问范围描述270用于产生和更新复合范围索引(如图3和4)。范围描述同样也可以在客户机界面240被访问，这样客户可以选择一范围用于加入在搜索查询中或是选择一范围以应用于一搜索。
管理界面280还访问范围描述270以允许管理员或是其他控制机制(如自动程序)来获取由范围插入250提供的特性并为使用搜索查询创建范围选择。管理界面280可以根据允许对范围选择的创造以及对范围描述的操作的任何形式来提供(如通过因特网登录访问)。
尽管在系统200中说明了功能模型间的单向和双向通信，这些通信方式的任一种可以改变为其他形式而不偏离本发明的主旨或范围(如所有通信方式可以具有要求双向通信而不是单向通信的确认信息)。
图3说明根据本发明的索引的示例结构的功能框图。索引300包含内容索引(.ci)310，基本范围索引(.bsi)320以及复合范围索引(.csi)330。
内容索引310包括以反转索引组织的记录，该索引列出了与在搜索查询中使用的关键词和其它索引字相对应的文档。然而这些范围关键词被转换为基本范围索引320。
基本范围索引320包括了与基本范围相对应的文档记录。基本范围一般是指与文档的单个范围相关的特性相对应的范围选择。举例而言，在网址http://www.example.com上爬行的文档数字ID可以被记录在范围插件250包含的范围关键词的文档列表中来体现特性(网站)和数值(“example.com”)。
复合范围索引330包含由在基本范围索引320中基本范围组合产生的范围。例如，复合范围可以包括与特定URL相关的特定文件类型的文档记录。
图4说明根据本发明管理复合范围的示例框图。框图400包含基本范围索引410，原始复合范围索引420以及新复合范围索引430。
当基本范围索引用另外的基本范围(见图6)更新时，复合范围索引必定也会被更新。原始复合范围索引420的位置线422说明了新复合范围应被包括的位置。制作原始复合范围索引420的拷贝会产生新的复合范围430。只有在达到新复合范围被包括的位置后，才会制作原始范围索引420的拷贝。新的复合范围432随之被写入新的复合范围索引430中。在包含了新的复合范围432之后，继续拷贝原始复合范围索引420。跟在新的复合范围432之后的复合范围434从原始组合范围索引420拷贝并具有偏移量以补偿包含新的复合范围432。
图5说明根据本发明产生索引的示例过程逻辑流程图。过程500起始于框502，在此处提供了对文档全集的访问。过程继续至框504。
在框504，爬行文档全集以确定存在的文档以及与这些文档相关联的特性(如文件类型)。用于每一个文档的标识符或ID以及其相关特性随之被作为爬行结果传送。进程继续至框506。
在框506，与范围相关的文档相关联的特性由范围插件获得。范围插件创从特性创建范围定义。管理员可以利用范围定义来创建范围选择，以允许客户机根据其范围限制搜索。进程继续至508。
在框508中，从已获取的特性创建的范围定义被作为爬行结果中的范围关键词发送。在被指向搜索范围而不是文档内容的同时，这些范围关键词的操作类似于从爬行产生的关键词和其他索引关键词。用于产生范围关键词而获得的一些特性包括文档类型，文档URL，文档作者以及其他特性。范围关键词被产生以包括范围关键词类型的标识符(ID)和用于识别特定范围关键词的文本字符串。举例而言，如果用于和URL相关的范围关键词的ID为237，则与在http://www.example.com中文档相对应的范围关键词将会为“[237]http://www.example.com”。该范围关键词被发送至管道并随后与索引中文档相关联。一旦范围关键词被发射，进程继续至框510。
在框510中，在所有文档中发现的范围关键词、关键词以及其他累计特性都被刷新至索引。刷新将关键词和特性写进盘中。在刷新过程中，范围关键词被分开并发送至基本范围索引，同时剩下的数据发送到内容索引。进程继续至框512。
在框512中，复合范围索引在索引内产生。在一个实施例中，复合范围索引是响应于索引产生的编译进程而产生。用于产生复合范围索引的示例过程在接下来的图6中进行描述。在一个实施例中，复合范围是由来自客户机的查询定义的。在另一个实施例中，复合范围列表是由管理员在具体说明索引之前产生的。一旦产生组合范围索引之后，进程继续至框514，此时进程500结束。
在一个实施例中，在爬行开始时基本范围索引被填充，但是组合范围并没有被填充直到爬行结束并且基本范围索引被完全建立。通过缩减对基本范围索引的查询，等待建立组合范围索引减少了开销。
图6说明根据该发明编译一个索引的示例进程逻辑流程图。进程600起始于框602，此处编译进程开始。在一实施例中，进程600异步地起始于某个时间间隔(如每15分钟)来更新任何已经存在的复合范围。在另一实施例中，进程600在图5中的进程500进入框502时开始以从新产生的基本范围索引产生复合范围索引。在另外还有实施例中，进程600响应于对索引的其他更新而开始。一旦进程600开始，进程继续至判决框604。
在判决框604中，要对在复合范围索引内的与每一个范围对应的变化记录是否指明当前复合范围已经发生变化作出确定。在一个实施例中，类似的进程对第一次利用假定所有范围已经发生变化的默认设置来产生复合范围索引。因而，产生一个新的复合范围索引以及更新一个组合范围索引由同一个编译进程处理。如果组合范围已变化，进程移至框606。
在框606中，编译进程执行与用户查询类似地的查询并允许查询进程更新对应于复合范围索引中的范围的文档列表。当复合范围从它先前的版本被拷贝后(在存在先前版本时)，文档列表随后被附于在复合范围索引中。进程继续至判决框610。
或者，如果变化记录表明特定范围并没有变化，进程移至框608。在框608，由于范围并没有变化，在复合范围先前版本中的与范围相对应的文档ID列表被一字不差地拷贝。
在判决框610，要对在编译过程中是否拷贝更多复合范围至新的复合范围索引作出确定。如果还要拷贝复合范围，进程返回至判决框610以确定复合范围是否已变化。然而，如果没有复合范围需要被发送到新的复合范围，进程移至框612，此处进程600结束。
对于文档全集的更新可能在任何时候发生，文档全集的ID会被持续不断地在内部存储词汇列表或多词汇列表中被更新。词汇列表的填充要么来自于客户机初始化的搜索、导致重新爬行文档全集的刷新行为，或是来自与导致在文档全集中发现变化的其他各种操作。当文档变化时(如添加，删除，修改)，变化文档的ID随后将于变化类型一并转发至内存储词汇列表。具有更新文档ID的词汇列表随后更新至索引。在基本范围索引也被更新的同时，文档变化导致对内容索引的更新。一旦发现变化的增量爬行完成后，并且基本范围索引被更新后，复合范围索引也被更新以反应网络中文档的变化。进程600用来反映复合范围更新是否与下列各项无关：在搜索文档全集中是否更新一个新文档，是否从全集中移除文档，是否发生影响文档范围的修改。通过异步运行编译进程，复合范围索引应如此频繁地被更新以反映网络中文档变化。
图7说明根据该发明处理查询的示例进程逻辑流程图。进程700起始于框702，此处为具体说明索引以及准备接受来自客户机的查询。进程继续进行至框704。
在判决框704，要对是否由用户端来初始化搜索查询作出决定。用户端可以与初始化查询的使用者相对应，或是请求搜索的程序对应。如果没有初始化搜索，进程环路返回至框704等待搜索查询初始化。然而，一旦搜索查询开始后，进程持续至判决框706。
在判决框706，要对是否在搜索请求中使用范围关键词作出决定。假定不存在范围关键词，进程前至框716。然而，如果在搜索请求中旬在范围关键词，进程持续至判决框708。
在判决框708，要对范围关键词实例是否作为复合范围一部分作出确定。如果范围关键词并没有被用做为复合范围的一部分，进程前进至判决框712。然而，如果范围关键词是复合范围的一部分，进程移至框710。
在框710中，作为对应于搜索查询中包括的复合范围，对于由它们的文档ID标识的文档查阅组合范围索引(csi.)。与这些文档对应的文档ID随后返回被添加到搜索未决的搜索结果。进程继续至判决框712。
在框712中，要对是否将范围关键词实例作为复合范围的一部分作出确定.如果范围关键词并不与基本范围对应，进程移至框716.然而，如果范围关键词与基本范围不对应，进程移至框714.
在框714中，作为对应于搜索查询中包括的范围关键词，对于由它们的文档ID标识的文档查询基本范围索引(bsi.)。与这些文档相对应的文档ID随后返回被添加到搜索未决的搜索结果。进程移至框716。
在判决框716中，要对与文档内容相关的关键词或是其他索引关键词是否要包含在搜索请求中作出确定。如果关键词并没有包含在搜索请求中，进程前移至判决框720。然而，如果关键词被包含在搜索请求中，进程移至框718。
在框708中，作为对应于搜索查询中包括的范围关键词，对于由它们的文档ID标识的文档查询内容索引(ci.)。在一个实施例中，当内容索引搜索关键词时，搜索则限制于先前根据基本范围和/或复合范围定义的范围。与这些文档对应的文档ID随后被返回并被添加至搜索未决的搜索结果。进程移至判决框710。
在框720中，在不同索引划区中重合的文档ID集合被作为查询结果返回。例如，文档ID可与基本范围索引的范围相一致，并且还包含一特定关键词。如果搜索请求受到这个特定范围限制并且包括了该关键词，则文档ID会在索引划分之间重叠。这些重叠的ID表示了搜索结果。对指的该结果中包含的每一个文档的指针能够响应与搜索请求而被提供至用户端。典型说来，在索引中确定重叠文档要快得多而不是查询文档特性来验证文档是否在该特定范围中。当文档在数据库中处于随机位置时，根据关键词(范围关键词或关键词)索引被聚类在盘上。因此本发明通过应用范围于搜索请求极大增加了速度以及方便度。一旦提供结果以后，进程移至框722，此处进程结束。
在实施例中，在操作框708-71中提供的处理步骤并不是顺序的。相反基本范围索引或是复合范围索引或是内容索引都是基于查询的普通关键词以及范围关键词来查询的，查询的顺序取决于与这些关键词对应的文档ID排列顺序。此外，操作框708-718提供的处理步骤可能需要重复多次，因为在查询请求中可能有多个范围，包括复合范围和基本范围。
在另一实施例中，如果新复合范围是由请求创建的话，在查询请求之后复合范围索引由新复合范围更新。复合范围索引则根据上述图4讨论的方法更新。
然而在另一实施例中，搜索请求确定的范围部分是由客户机所作的搜索选择。根据所提供的范围列表，搜索选择对应于结果的选择范围。根据范围定义，这个范围列表可由管理员产生。
上述规格说明，例子和数据提供了本发明组合的生产和使用的完整描述。由于本发明的许多实施例都能在不偏离发明主旨和范围的情况下实现，本发明驻存于在随后附录的权利要求中。
Claims (23)
1.用于建立对存储在计算设备的网络中的多个文档的查询的搜索范围的计算机实现的方法，包括：
产生至少两个范围相关索引关键词，其中每个范围相关索引关键词均根据与多个文档的范围相关联的特性产生；
产生一个或多个内容相关索引关键词，所述内容相关索引关键词与对所述多个文档的爬行相关联；
产生一个或多个复合范围相关索引关键词，所述复合范围相关索引关键词与至少两个范围相关索引关键词的一个或多个组合相关联；
产生索引，该索引包括：
用于标识对应于至少两个范围相关索引关键词的多个文档的第一子集的第一文档列表；
用于标识对应于所述一个或多个内容相关索引关键词的多个文档的第二子集的第二文档列表；
用于标识对应于所述一个或多个复合范围相关索引关键词的多个文档的第三子集的第三文档列表；
将所述索引存储在所述网络中的至少一个计算设备上；
通过以下方式提供所述查询的结果，其中所述查询包括所述至少两个范围相关索引关键词的第一范围相关索引关键词，和至少一个或多个内容相关索引关键词的第一内容相关索引关键词：
仅检索第一文档列表，以便标识对应于所述第一范围相关索引关键词的多个文档中的一个或多个文档；以及
仅检索第二文档列表，以便标识对应于所述第一内容相关索引关键词的多个文档中的一个或多个文档。
2.如权利要求1中的计算机实现的方法，其特征在于，所述查询还包括第一复合范围相关索引关键词，而提供所述查询的结果还包括仅检索第三文档列表，以便标识对应用所述第三内容相关索引关键词的多个文档中的一个或多个文档。
3.如权利要求1中的计算机实现的方法，其特征在于，所述至少两个范围相关索引关键词的一个或多个组合对应于一布尔组合。
4.如权利要求1中的计算机实现的方法，其特征在于，还包括当范围相关索引关键词的新组合通过拷贝所述第三文档列表被创建时更新第三文档列表，以及将对应于所述新组合的多个文档的附加子集插入到第三文档列表中，以创建更新后的第三文档列表。
5.如权利要求1中的计算机实现的方法，其特征在于，被查询的所述多个文档中的变化导致对所述索引的更新，使得当附加文档与涉及第一范围相关索引关键词的第一特性相关联时，该附加文档与所述索引中的第一范围相关索引关键词相关联。
6.如权利要求1中的计算机实现的方法，其特征在于，产生索引还包括在所述第一、第二和第三文档列表中提供一个或多个文档标识符，其中每个文档标识符用于标识所述多个文档中的一个文档。
7.如权利要求1中的计算机实现的方法，进一步包括，根据所述至少两个范围相关索引关键词生成一范围选择，使得所述范围选择是可被客户机选择用于向客户机生成的查询提供一范围.
8.如权利要求1中的计算机实现的方法，进一步包括，提供一界面，用于从与文档的附加搜索范围相关联的附加特性中、手动生成和操作附加的范围相关索引关键词。
9.一种建立用于多个文档查询的搜索范围的系统，所述系统包括：
处理器；
包含由范围插件和索引插件定义的计算机可执行指令的存储器；
其中，在所述处理器执行所述范围插件时，所述范围插件用于配置标识与和所述多个文档的范围相关联的多个文档相关的特性，并根据所标识的特性生成范围相关索引关键词，其中所述范围相关索引关键词在与所述多个文档的爬行相关联的其他索引关键词集之中发送；
其中，在所述处理器执行所述索引插件时，所述索引插件用于产生包括多个文档列表的索引，且所述文档列表包括：
用于标识对应于所述范围相关索引关键词的多个文档的第一子集的第一文档列表；以及
用于标识对应于所述其它索引关键词集的多个文档的第二子集的第二文档列表；以及
用于存储所述索引以便允许仅搜索所述索引中的所述第一文档列表以便提供所述查询的结果的所述存储器的计算机可读介质。
10.如权利要求9的系统，其中所述其它索引关键词集与所述多个文档的内容相关。
11.如权利要求9中的系统，还包括：
根据所述多个文档的附加标识属性所生成的第二范围相关索引关键词；以及
所述索引还包括根据所述范围相关索引关键词的一个或多个组合组织的用于标识所述多个文档的第三子集的第三文档列表，以便由所述组合定义另一搜索范围。
12.如权利要求9中的系统，其特征在于，所述索引被进一步配置成：在附加文档被插入至被查询的多个文档中时被更新，使得当所述附加的文档与范围相关索引关键词相关联时，附加的文档与所述索引中所述第一文档列表内的所述范围相关索引关键词相关联。
13.如权利要求9中的系统，进一步包括了一界面，该界面用于从与文档的附加搜索范围相关联的附加特性手动产生和操作附加的范围相关索引关键词。
14.一种用于建立多个文档查询的搜索范围的方法，所述方法包括：
产生与所述多个文档的爬行相关联的一个或多个内容相关索引关键词；
根据与所述多个文档的范围相关联的一个或多个属性生成至少两个范围相关索引关键词；
产生与所述范围相关索引关键词相关联的一个或多个组合相关联的一个或多个复合范围相关索引关键词；
产生索引，所述索引包括；
用于标识对应于所述一个或多个内容相关索引关键词的多个文档的第一子集的内容划分；
用于标识对应于所述至少两个范围相关索引关键词的多个文档的第二子集的基本范围划分；以及
用于标识对应于所述一个或多个复合范围相关索引关键词的多个文档的第三子集的复合范围划分；
将所述索引存储在至少一个所述网络中的至少一个计算设备上；以及
通过以下方式来提供所述查询的结果，其中所述查询包括所述一个或多个复合范围相关索引关键词的第一复合范围相关索引关键词、所述至少两个基本范围相关索引关键词的第一基本范围相关索引关键词、和所述一个或多个内容相关索引关键词的第一内容相关索引关键词：
仅搜索所述复合范围划分，以标识对应于所述第一复合范围相关索引关键词的多个文档中的一个或多个文档；
仅搜索所述基本范围划分，以标识对应于所述第一基本范围相关索引关键词的多个文档中的一个或多个文档；以及
仅搜索所述内容划分，以标识对应于所述第一内容相关索引关键词的多个文档中的一个或多个文档。
15.如权利要求14中的方法，其特征在于，还包括所述复合范围划分在范围相关索引关键词的新组合通过拷贝所述复合范围划分而被创建以创建一新的复合范围划分时被更新，与此同时把一新的文档列表插入至与所述新的组合相对应的所述新的复合范围划分。
16.如权利要求14中的方法，其特征在于，还包括和所述内容划分和基本范围划分的更新相异步地更新所述复合范围划分。
17.如权利要求14中的方法，其特征在于，还包括：在一附加文档被插入到要被查询的多个文档中时更新所述索引，使得一附加文档被包括在与所述范围相关索引关键词相关联的基本范围划分中。
18.如权利要求14中的方法，其特征在于，通过一文档标识符来标识对应于第一复合范围相关索引关键词且被标识在所述内容划分中的一个或多个文档、对应于第一基本范围相关索引关键词且被标识在所述基本范围划分中的一个或多个文档以及对应于第一复合范围相关索引关键词且被标识在所述复合范围划分中的一个或多个文档，其中每个文档标识符对应于所述多个文档中的一个文档。
19.如权利要求14中的方法，其特征在于，还包括，根据至少两个范围相关索引关键词生成一范围选择，使得所述范围选择是可由客户机选择用于向客户生成的查询提供一范围。
20.如权利要求14中的方法，还包括，提供一界面，用于从与所述文档的附加搜索范围相关联的附加特性中手动生成和操作附加的范围相关的索引关键词。
21.如权利要求1中的计算机实现方法，其特征在于，提供所述查询的结果还包括确定为对应于第一范围相关索引关键词的多个文档中的一个或多个文档，和对应于第一内容相关索引关键词的多个文档中的一个或多个文档所公有的重叠文档集。
22.如权利要求4中的计算机实现方法，其特征在于，与所述第一文档列表和第二文档列表的更新相异步地更新所述第三文档列表。
23.如权利要求18中的方法，其特征在于，提供所述查询的结果还包括从对所述内容划分、基本范围划分和复合范围划分的搜索中标识公有文档标识符集。
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