Extending an Information Retrieval System through Time Event Extraction

General info

This software implements an Information Retrieval system (TAIR) able to manage temporal information. The system allows temporal constraints in a classical keyword-based search.

Details about the algorithm are published in the following paper:

@inproceedings {dart2014wsBasile,
title = "Extending an information retrieval system through time event extraction",
year = "2014",
author = "P Basile and A Caputo and G Semeraro and L Siciliani",
booktitle = "8th International Workshop on Information Filtering and Retrieval, DART 2014, Co-located with XIII AIIA Symposium on Artificial Intelligence, AIIA 2014", pages = "36-47", publisher = "CEUR Workshop Proceedings", volume = "1314", ee = "http://ceur-ws.org/Vol-1314/paper-04.pdf"
}

Please, cite our paper if you use our software.

Installation

• Install in your local maven repositery heideltime library. Go in the foder lib3rd/ and run the shell script install.sh

• Compile our software running the maven command: mvn package.

• Download the TreeTagger and its tagging scripts, installation scripts, as well as English, Italian parameter files into one directory from: http://www.ims.uni-stuttgart.de/projekte/corplex/TreeTagger/

mkdir treetagger

cd treetagger

wget http://www.cis.uni-muenchen.de/~schmid/tools/TreeTagger/data/tree-tagger-linux-3.2.tar.gz

wget http://www.cis.uni-muenchen.de/~schmid/tools/TreeTagger/data/tagger-scripts.tar.gz

wget http://www.cis.uni-muenchen.de/~schmid/tools/TreeTagger/data/install-tagger.sh

wget http://www.cis.uni-muenchen.de/~schmid/tools/TreeTagger/data/english-par-linux-3.2-utf8.bin.gz

wget http://www.cis.uni-muenchen.de/~schmid/tools/TreeTagger/data/italian-par-linux-3.2-utf8.bin.gz

Attention: If you do not use Linux, please download all TreeTagger files directly from http://www.cis.uni-muenchen.de/~schmid/tools/TreeTagger/

• Install the TreeTagger

sh install-tagger.sh

• Open and edit the config.props file, set the treeTaggerHome parameter with the directorty where TreeTagger is installed.

Usage

• To run TAIR shell, you must execute the script shell.sh in the main directory.

usage: Run TEE2 shell [-d ] [-e ] [-l ]

-d the index directory

-e charset encoding (optional)

-l language (italian, english)

• To run TAIR GUI, you must execute the script gui.sh in the main directory.

usage: Run GUI [-d ] [-l ]

-d the index directory

-l language (italian, english)

• To index a Wikipedia dump, you must execute the script index.sh in the main directory.

usage: Index Wikipedia dump (multi threads) [-d ] [-e ] [-l ] [-m ] [-n ] [-o ]

-d wikiepdia dump file

-e charset encoding (optional, default UTF-8)

-l language (italian, english)

-m min text length (optional, default 4000 characters)

-n number of threads (optional, default 2)

-o output index directory