It has also established a quantitative method for databases of index documents. 2 tabs. 1 ref.
它也为二次文献检索数据库建立了定量化研究方法。图2。参考文献1。
The mathematical modeling of index documents publishing process provides a quantitative tool for the study of hit rate of index documents.
二次文献发表延时过程模型的建立，为研究利用二次文献查新的漏检问题提供了定量化工具。
We are currently investigating whether using a customized B-Tree algorithm can make it possible to search with the help of wild CARDS and to store index documents more compactly.
我们目前正在研究使用定制的B -Tree算法进行带有通配符的搜索并且更加紧凑地存储索引文档是否可行。
The agent that updates the index database with new documents is currently rather slow and is not optimized, which can be fixed by adding a couple of tracking fields to the index documents.
使用新文档更新索引数据库的代理目前速度很慢，且未进行优化，通过添加一对跟踪字段到索引文档中就可以解决这一问题。
Each group consisted of 5000 users; for each user the index and All Documents view were built.
每组都由5000个用户组成；为所有用户都构建了索引和全部的文档视图。
Use the same index document to store references for 4,096 source documents instead of having one index document for each source document.
使用相同的索引文档来存储4,096个源文档的引用，而不是每个源文档都有自己的索引文档。
Using the code in Listing 1, you can add the text documents to the index successfully.
利用清单1中的代码，你就可以成功的将文本文档添加到索引中去。
It provides methods to add, delete, or update documents in the index.
它提供在索引中添加、删除和更新文档的方法。
Inlining can reduce the size of the regions index dramatically since inlined documents do not require any regions index entries.
内联功能可以显著减小区域索引的大小，因为内联文档不需要任何区域索引条目。
Develop a server add-on that automatically adds new and modified documents from the source database to the index database.
开发一个服务器附件，自动将新的和修改了的文档从源数据库添加到索引数据库。
Each index document also has multi-value field UNIDs, which contain the UNIDs of all documents in the source database that match the keyword assigned for that index document.
每一个索引文档也具有多值字段unid，其中包含与为该索引文档分配的关键字相匹配的源数据库中的所有文档的UNID。
This class can create a new index or open an existing index and add documents to it.
这个类能创建一个新的索引或者打开一个已存在的索引并为该所引添加文档。
The full-text index finds these XML documents quickly which are then input to the FLWOR expression that extracts all employee names from these documents.
全文本索引迅速找到这些XML文档，随后将它们输入到从这些文档中提取所有员工姓名的FL WOR表达式中。
From a technical perspective, the inverted index, used to store keywords that appear in documents and enable searches, is a well-known and well-described data structure.
从技术的角度来看，倒排索引用于存储文档中出现的关键字，并且支持搜索，它是一种广为熟悉并且精确描述的数据结构。
Choose a folder of XML documents to index.
选择想要索引的XML文档的文件夹。
The last line adds the prepared documents to the index.
最后一行把准备好的文档添加到了索引当中。
However, such an index contains all text node values from all documents in the XML column.
但是此类索引将包含xml列中所有文档的全部文本节点值。
First, when the search index is created, taxonomy categories are applied to documents based on whether a document satisfies the rule.
首先，在创建搜索索引时，根据文档是否满足规则，将分类法目录应用于文档。
Namely, I am going to demonstrate how to sort, boost, and filter documents based on spatial information in the index.
我将演示如何根据索引中的空间信息对文档进行排序、增强和过滤。
When you add documents to the index, new segments may be created which are added incrementally and can be merged.
当你向索引中添加文档时，便会不断创建一些可以合并的新片断。
When you need to index a large number of documents, you'll notice that the bottleneck of the indexing is the process of writing the documents into the index files on the disk.
当你需要索引大量的文件时，你会注意到索引过程的瓶颈是在往磁盘上写索引文件的过程中。
Each term points to a list of documents that contain it. On the contrary, in a forwarding index, documents take the center stage, and each document refers to a list of terms it contains.
相反，在正向索引中，文档占据了中心的位置，每个文档指向了一个它所包含的索引项的序列。
There are three main ways to update the Demo Index database with new documents.
可以通过以下三种主要方式，使用新文档更新DemoIndex数据库。
Use these methods to ping the server, add and delete documents, commit changes, optimize the index, and run queries.
使用这些方法来ping服务器，添加和删除文档，提交更改，优化索引，以及运行查询。
Lucene can index only plain text documents, so we need a way to extract the plain text from a rich document format like those above and feed it into Lucene.
Lucene只能为纯文本文档建立索引，因此我们需要找到一种方法将纯文本从上面提到的那些富文档格式的文档中提取出来，然后将其提供给Lucene。
The code below shows a PHP application that connects a Solr service, adds two documents to the index, and runs the part number query used previously.
下列代码显示了连接Solr服务、向索引中添加两个文档和运行先前使用的零部件号查询的PHP应用程序。
In this article, you have looked at the Xapian text indexing system, which, through the Omega extensions, allows you to index a variety of documents, and then search and report on the content.
在本文中，您了解了Xapian文本索引系统，通过Omega扩展，这个系统允许您索引各类文档，然后进行搜索并报告内容。
The IndexReader class in Lucene is responsible for removing documents from the existing index, as demonstrated in Listing 2.
类IndexReader负责从一个已经存在的索引中删除文档，如清单2所示。
Covering indexes allow data storage within the index itself while sparse indexes exclude documents that do not contain the missing field.
Covered索引允许在索引本身里存储数据，而Sparse索引则会排除掉不包含索引字段的文档。
For example, if you want to index HTML or PDF documents, first you should extract the textual information from the documents and then send the information to Lucene for indexing.
比如，如果你想为HTML文档或者PD f文档建立索引，那么首先你就需要从这些文档中提取出文本信息，然后把文本信息交给Lucene建立索引。
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