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Align, Disambiguate and Walk, ADW for short, is a software library for computing the semantic similarity of arbitrary pairs of lexical items. ADW enables the comparison of all types of lexical items, from concepts (word senses) to texts. For instance:

• gem vs. jewel
• terminate vs. fire.v.4
• buildings for carrying on industrial labor vs. plant.n.1

The software is based on the following article:

M. T. Pilehvar, D. Jurgens and R. Navigli. Align, Disambiguate and Walk: A Unified Approach for Measuring Semantic Similarity. Proc. of the 51st Annual Meeting of the Association for Computational Linguistics (ACL 2013), Sofia, Bulgaria, August 4-9, 2013, pp. 1341-1351.

ADW provides several advantages over existing semantic similarity measures:

1. It is unified, hence handling all types of lexical items, from word senses to texts.
2. Enables comparison of lexical items belonging to different lexical levels, i.e., cross level semantic similarity.
3. It is ready to be used out of the box, without the need for any training or tuning.
4. Provides state-of-the-art performance on different lexical levels and multiple datasets.