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    • 3. 发明授权
    • System for reconstructing prior versions of indexes using records
indicating changes between successive versions of the indexes
    • 用于使用记录指示索引的连续版本之间的变化重建索引的先前版本的系统
    • US5347653A
    • 1994-09-13
    • US722696
    • 1991-06-28
    • Rex A. FlynnPeter G. Anick
    • Rex A. FlynnPeter G. Anick
    • G06F17/30G06F15/40
    • G06F17/30309Y10S707/955Y10S707/99954
    • A method and apparatus for providing an historical perspective into a database of information objects through an efficient method and apparatus for versioning information objects stored in a database as well as an index representative of the information objects is disclosed. The latest versions of each one of the information objects and each one of the entries in the index are maintained in the database. Partial earlier versions of each one of the information objects and each one of the index entries are stored with the latest versions. The partial versions contain only sufficient information about the differences between the earlier versions and the later ones so that any earlier version may be reconstructed. Identification tags are employed as unique identifiers for each one of the plurality of information objects and for different versions of the information objects. Through the exploitation of the relative time ordering of generated identification tags, an efficient index representation and method for performing historical queries is provided.
    • 公开了一种用于通过用于对存储在数据库中的信息对象进行版本化的有效方法和装置来向信息对象的数据库提供历史透视图以及表示信息对象的索引的方法和装置。 每个信息对象的最新版本和索引中的每个条目都保存在数据库中。 每个信息对象和每个索引条目的部分早期版本与最新版本一起存储。 部分版本仅包含有关早期版本与后期版本之间差异的足够信息,以便可以重构任何较早版本。 识别标签用作多个信息对象中的每一个以及信息对象的不同版本的唯一标识符。 通过利用生成的识别标签的相对时间排序,提供了用于执行历史查询的有效的索引表示和方法。
    • 5. 发明授权
    • Systems and methods for interactive search query refinement
    • 用于交互式搜索查询优化的系统和方法
    • US06947930B2
    • 2005-09-20
    • US10424180
    • 2003-04-25
    • Peter G. AnickAlastair GourlayJohn Thrall
    • Peter G. AnickAlastair GourlayJohn Thrall
    • G06F17/30
    • G06F17/30646Y10S707/99935Y10S707/99943
    • A received query is processed so as to generate an initial group of ranked documents corresponding to the received query. Each document in all or a portion of the documents in the initial group of ranked documents is associated with a respective set of ranked candidate terms such that each candidate term in the respective set of ranked candidate terms is embedded within the document. Each respective set of ranked candidate terms is identified at a time prior to the processing of the received query. In accordance with a selection function, a subset of the candidate terms in one or more of the respective sets of candidate terms is selected. In response to the received query, the initial group of ranked documents and the subset of candidate terms are presented.
    • 处理接收到的查询以便生成对应于接收到的查询的初始的排序文档组。 初始组排名文件中的全部或一部分文档中的每个文档与相应的一组排名的候选项相关联,使得相应的排名候选项集合中的每个候选项被嵌入在文档内。 在接收到的查询的处理之前的每一个时间标识每个相应的排名候选项的集合。 根据选择功能,选择候选项中的一组或多个候选项中的候选项的子集。 响应于接收到的查询,给出了排序文档的初始组和候选项的子集。
    • 6. 发明授权
    • Method and apparatus for integrating a dynamic lexicon into a full-text
information retrieval system
    • 将动态词典整合到全文信息检索系统中的方法和装置
    • US5251316A
    • 1993-10-05
    • US723229
    • 1991-06-28
    • Peter G. AnickRex A. Flynn
    • Peter G. AnickRex A. Flynn
    • G06F12/00G06F17/30G06F15/40
    • G06F17/30737Y10S707/99942Y10S707/99953
    • An information retrieval system including a plurality of indices representative of information stored in the information retrieval system and a dynamic lexicon is disclosed. The system includes memory having a database stored therein, the database being logically divided to include the plurality of indices, an information database having information objects stored therein and a dynamic lexicon which includes a plurality of data items and groups of data items that appear in the information database. A predetermined time variable represents the last time the plurality of indices were reindexed. After changes are made to the lexicon, a time stamp is attached to each one of the plurality of changes to the lexicon to indicate when the change was made to the lexicon. At some specified time interval later, the reindexing process is invoked. This process involves selecting a subset of the plurality of changes made to the lexicon after the predetermined time variable, locating all information objects in the information database that are affected by the plurality of changes to the lexicon, reindexing the portions of the plurality of indices representative of the information objects affected by the changes to the lexicon to reflect the changes in the lexicon, and then updating the predetermined time variable to indicate changes to the lexicon have been processed. The foregoing process is repeated until all changes to the lexicon after the predetermined time have been applied to the plurality of indices.