The trouble is, for many of the researchers who'd like to design systems to address these challenges, massive datasets for experimentation just don't exist.
问题是，对于许多想要设计系统来应对这些挑战的研究人员来说，实验所需的大量数据集根本不存在。
Composing XML documents from large datasets.
通过大型数据集编写XML文档。
The DSNUTILS will fail if you do not delete those datasets.
如果不删除这些数据集，DSNUTILS会失败。
The data catalogs will continue to grow as datasets are added.
随着数据集的不断增加，数据分类也会不断扩充。
With this release it can only keep strongly-typed datasets in sync.
这个版本只能保持强类型数据集同步。
Processing on huge datasets that used to take weeks now takes minutes.
以前需要数周才能处理完成的巨大数据现在仅需几分钟就可以处理完成。
As datasets grow larger, query performance becomes increasingly important.
随着数据集不断变大，查询性能愈发变得重要。
Data mining is the task of finding useful information in large datasets.
数据挖掘是一项从大型数据集中发现有用信息的任务。
It automatically groups datasets according to their properties or features.
它自动根据数据集的属性或特征对数据集进行分组。
Use the IDCAMS utility to create a VSAM KSDS cluster, data, and index datasets.
使用IDCAMS实用工具创建一个VSAMKSDS集群、数据和索引数据集。
Data catalogs fulfill a much-needed capability for the user to search for datasets.
数据目录实现了用户搜索数据集所必须的功能。
It is of a larger scale compared to other datasets in the field (over 300m ratings).
它相对于这个领域中其他数据集要大得多(超过300m评分)。
XQuery was designed for extracting data from potentially very large XML datasets.
XQuery的设计目标是从可能非常大的XML数据集中提取数据。
Unfortunately, the announcement also makes it clear that the datasets are proprietary.
不幸的是，公告还明确指出，数据集是专有的。
Typical Big data analytics use cases usually involve querying a variety of datasets together.
典型BigData分析用例通常涉及同时查询多个数据集。
The gperf utility is tuned to quickly generate a perfect hash for small to medium datasets.
gperf实用程序可以为中小型数据库快速生成完美散列。
Deviation detection is defined as the task of finding unusual data records in large datasets.
偏差检测是一项在大型数据集中发现异常数据记录的任务。
A record number of nearly 300 datasets were added to the global database for this year's report.
今年报告的全球数据库新添加了近300项数据。
So far, all of the queries I've demonstrated have involved datasets consisting of a single RDF graph.
迄今为止，我所演示的所有查询只包含一个rdf图的数据集。
Learn how to do simple timings for yourself, and test XPath on datasets typical for your applications.
学习如何进行简单的计时，并学习在您的应用程序的数据集上测试XPath。
This will work well for filtering an initial set of perhaps 100 items, but will fail on large datasets.
这对于筛选100个项左右的初始集能够正常工作，但对于大数据集将会失败。
An immense wealth of information on visualization, cartography, and datasets is available across the Web.
网上有大量关于可视化、绘图法和数据集的信息。
Myth: XQuery will not scale to handle large datasets; XQuery will never be as fast as relational databases
神话：XQuery不能处理大型数据集，永远赶不上关系数据库的运行速度
zdb2tableseries parameter in IBMExtract.properties is for specifying the name of the series for PS datasets.
properties 中的 zdb2tableseries参数指定PS数据集序列的名称。
Rules that fire frequently can be placed at the beginning, resulting in better performance on large datasets.
经常触发的规则可放在开头部分，在大型数据集中实现更高性能。
Edit the test so that it will run with multiple datasets and validate the returned data from the Web service.
编辑测试，以便它用多个数据集运行，并验证来自Web服务的返回数据。
This method would let you plan DB2 storage and carefully place DB2 datasets on selected direct access volumes.
该方法允许您规划DB2存储并小心地将 DB2数据集放在选定的直接访问卷上。
If the datasets are very big, it is recommended to perform the join in DataStage rather than in the assembly.
如果数据集很大，建议在DataStage而非程序集中执行联接。
If the datasets are very big, it is recommended to perform the join in DataStage rather than in the assembly.
如果数据集很大，建议在DataStage而非程序集中执行联接。
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