Can they perhaps be found using external data sources?

是否可以使用外部数据源找到它们？

youdao

This shows how easy it is to work with external data sources.

它展示了处理外部的数据资源是多么地容易。

youdao

If not, can external data sources be acquired to fill the gap?

如果没有，是否可以获取外部数据源来填补这一差异？

youdao

It is obvious that full incorporation of external data sources is going to be a long-term effort, involving changes to data processing technology, analytics, business relationships, and ways of working.

FORBES: How External Big Data Opens a Disruptive Frontier for Business Intelligence

ClearStory Data, a startup that has not revealed its capabilities, has declared that it will be in the business of providing a platform and user model that makes it easy and intuitive to find high value external data from numerous trusted sources and cross-pollinate this data with private and corporate data for fast, richer analysis.

FORBES: Do You Suffer from the Data Not Invented Here Syndrome?

Splunk also provides the infrastructure to store this data over time, correlate this data with other data sources from within the enterprise or from external sources, make the data available to other applications or services across the enterprise, and export the data for other purposes as needed.

FORBES: Splunk CEO Godfrey Sullivan's Plans for Breaking Into Business Computing