Exercise solutions for the Information Retrieval course at the University of Freiburg, Germany.

Web-Crawler for simple.wikipedia.org on C++

Search Formula-1——A distributed high performance massive data engine for enterprise/vertical search

On this repository I will keep my assignments from the Information Retrieval class at UFMG ( Federal University of Minas Gerais ).

A Clean Lua Interface to the Indri Search Engine for Torch.

A text query project for local file system search

analysis of Wikipedia link subgraphs for academic disciplines

A simple formulation and its implementation to get the best top k documents given a query, considering precision and diversity as variables.

Information retrieval toolkit for large document collections.

An Index coupled with a sample DAAT query processor

An implementation of page rank algorithm

Displays OpenCL capabilities of GPU

A C++ library for boolean search using a positional inverted index on Reuters-21578 dataset.

A C++ library for text classification using Multinomial Naive Bayes model on Reuters-21578 dataset.

Text index with support for complex queries

Permutation algorithms to test statistical significance of experimental results.

Automated Query Expansion using High Dimensional Clustering

Unine light stemmer for French, German, Italian, Spanish, Portuguese, Finnish, Swedish

Implementation of the BM25 Model for Information Retrieval presented in TREC-3