INDRI
Language modeling meets inference networks

Indri is a new search engine from the Lemur project; a cooperative effort between the University of Massachusetts and Carnegie Mellon University to build language modeling information retrieval tools.

Effective

• Best-in-class ad hoc retrieval performance

Flexible

• Supports popular structured query operators from INQUERY
• Open source, with a flexible BSD-inspired license
• Parses PDF, HTML, XML, and TREC documents
• Word and PowerPoint parsing (Windows only)

Usable

• Supports UTF-8 encoded text
• Language independent tokenization of UTF-8 encoded documents.
• Includes both command line tools and a Java user interface
• API can be used from Java, PHP, or C++
• Works on Windows, Linux, Solaris and Mac OS X

Powerful

• Can be used on a cluster of machines for faster indexing and retrieval
• Suffix-based wildcard term matching
• Field retrieval
• Passage retrieval
• Scales to terabyte-sized collections

Related Links

• IndriBuildIndex
   
• Indri Query language
   
• Indri Retrieval Model
   
• Code documentation
   
• Search the collected works of William Shakespeare with Indri.
   
• Research
   
• Indri Tips