A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. In my first post about topic models, I discussed what topic models are, how they ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. If you’ve ever had to analyze a set of documents — such as social media posts, ...

An ongoing challenge in the analysis of document collections is how to summarize content in terms of a set of inferred themes that can be interpreted substantively in terms of topics. The current ...

In the rapidly evolving field of computational intelligence, there is a pressing demand for advanced tools and algorithms ...

In gathering information for an intended purchase decision, consumers submit search phrases to online search engines. These search phrases directly express the consumers' needs in their own words and ...