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Category Archives: text

1463574952_dd400430e5_m2Relational databases are for structured data, right? And free text lives in the world of keyword search?


Another paper we recently finished up was on Declarative Information Extraction in a Probabilistic Database System.  In a nutshell (as my buddy Minos is wont to say), this is about

  1. automatically converting free text into structured data,
  2. using the state of the art machine learning technique (Conditional Random Fields), which is 
  3. coded up in a few lines of SQL that integrates with the rest of your query processing.

This is Daisy Wang‘s baby, and it’s really cool.  She’s achieved a convergence where free text, relational data and statistical models all come together in an elegant and very practical way.  

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