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Lemur Project and Indri Search Engine Wiki

The Lemur Project develops search engines, browser toolbars, text
analysis tools, and data resources that support research and development
of information retrieval and text mining software, including the Indri
search engine and ClueWeb09 dataset.

Project Admins:

• Jamie Callan
• Cameron VandenBerg
• Lemur Project
• Gregory Brooks
• David Fisher

Where to Begin...

• [Quick Start] guide
• [Overview]
  • [Indri]
  • [Language Modeling and Information Retrieval Background]
• [Compiling and Installing]

Using the Lemur Project Software

• [Toolkit Usage Overview]
• [Indexer File Formats]
• [Inline and Offset Annotations]
• [Retrieval Tasks]
  • [IndriRunQuery]
  • [The Indri Daemon]
• [Lemur Toolkit Utilities]
  • [Parser Applications]
  • [harvestlinks]
  • [dumpdoc, dumpterm, and dumpindex]
  • [makeprior]
  • [ireval]
• [The Indri Query Language]
  • [Indri Query Language Reference]
  • [Basic use of the Indri Query Language]
  • [The Indri Retrieval Model]
  • [Term Operations]
  • [Belief Operations]
  • [Fields]
  • [Fields and Metadata]
  • [Numeric and Date Fields in Indri]
  • [Filter Require and Filter Reject (ScoreIf and ScoreNotIf)]
  • [Document Priors]
• [The Lemur CGI Application]
• Lemur Project Query Log Toolbar and
  Server
• [Galago]
  • [Galago Installation]
  • [Galago Configuration]
  • [Galago Temporary Files]
  • [Galago Functions]
  • [Galago Query Language]
  • [Galago Operators]

Programming with the Indri API

• [Using the API to Write Your Own Application]
• [Example Applications in C++]
• [Creating your own Parser]

Advanced Topics

• [Technical Details]
  • [Indri Document Scoring]
  • [Indri Query Flow]
  • [Indri Repository Structure]
  • [Indri Retrieval Model]

Reference

• The Indri API documentation