Update README.md

Author: NC0DER

README.md

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-# KeyphraseExtraction
+# Multilingual Unsupervised Keyphrase Extraction
+
+This repository hosts code for the papers:
+* [A comparative assessment of state-of-the-art methods for multilingual unsupervised keyphrase extraction](https://link.springer.com/chapter/10.1007/978-3-030-79150-6_50) - [Download](https://github.com/NC0DER/KeyphraseExtraction/releases/tag/KeyphraseExtractionv1.0)
+
+## Datasets
+Available in [this link](https://github.com/NC0DER/KeyphraseExtraction/tree/main/Datasets)
+
+## Test Results
+Configure `KeyExt\config.py` and run `KeyExt.py`.
+
+## Installation
+* `Python 3` (min. version 3.6), `pip3` (& `py` launcher Windows-only).
+* `Pytorch` (min. version 1.8.0) the install guide can be found in (https://pytorch.org/)
+* For speedup, pytorch also supports GPU parallelization with `CUDA` (min. version 11.0)
+* Run `pip3 install -r requirements.txt`
+
+## Contributors
+* Nikolaos Giarelis (giarelis@ceid.upatras.gr)
+* Nikos Kanakaris (nkanakaris@upnet.gr)
+* Nikos Karacapilidis (karacap@upatras.gr)