Google News - how does it work

How do these articles appear - Google gather these articles by
1) Crawling,
2) Grouping and
3) Ranking them


1) Crawling:

• Discover crawls - Google bot visits your URL more than once, so that it can show you updated content.
• News site maps - What are the benefits of submitting a news sitemap?
  It provides greater control over which of your articles appear on google news. Furthermore, it allows specification of meta information for each individual articles -
  a) Publication date
  b) Keywords
  
• Robots.txt file - Robot.txt file will help you with -
  Which article you want Google bots to crawl or which document you want to exclude from crawling.

2) Grouping - Grouping is done according to:

• Individual article content
• By region

3) Ranking - Google rank stories by Aggregate Editorial Interest

• Story Ranking - how important do editors think the story is?
  A small story has a small effect on publishing activity, whereas A big story causes rapid, independent, publishing activity worldwide.
• Article Ranking -
  a) Fresh and New - Recent, substantial, original and focused on the topic
  b) Duplicate and Novelty Detection - Credit to Original and Novel content
  c) Local and Personal Relevancy - Weighted by section and story and more credit to local sources
  d) Trusted Sources - Boosts for trusted sources for each edition and section via various signals
  

Best Practices for better results for News Search-

• Unique, permanent URL with atleast 3digits - if you dont have 3 digits in your news URL then best is to submit to news sitemap
• Dont breakup article body
• Put dates between Title and the body
• Titles Matter - Good HTML as well as article title
• Separate original content from press releases
• Publish Informative and Unique content