How to Use the Turkish Morphological Analyzer

Jan 1, 2023 | Data Science

Welcome to the world of Turkish language processing! Today, we will explore how to effectively implement a two-level morphological analyzer for Turkish words. This tutorial will guide you step by step through the components and functionalities of this project, enabling you to parse Turkish words morphologically.

Components of the Turkish Morphological Analyzer

The Turkish Morphological Analyzer consists of three core layers:

  • Lexicons: This layer comprises extensive manually annotated Turkish lexicons designed to improve the accuracy of part-of-speech tagging and to handle morphophonemic irregularities. The base lexicon includes 47,202 annotated lexical items.
  • Morphotactics: Here, we define various finite state transducers (FST) for suffixation patterns and morpheme inventories, along with their corresponding feature-value pairs related to specific parts of speech.
  • Morphophonemics: This layer implements a set of Thrax grammars that handle morphophonemic rules such as vowel harmony and consonant voicing.

How to Parse Words

To perform morphological analysis on a Turkish word, you’ll need to execute the following command from the root directory of the project:

bazel run -c opt scripts:print_analyses -- --word=[WORD_TO_PARSE]

For instance, to analyze the word geldiğinde, use the following command:

bazel run -c opt scripts:print_analyses -- --word=geldiğinde

This command will provide you with a set of human-readable morphological analyses for the word, detailing its inflectional groups, stem, and part-of-speech types.

Understanding the Output

The output of the morphological analysis will showcase different aspects of the word. For instance:

(gel[VB]+[Polarity=Pos])([NOMP]-DHk[Derivation=PastNom]+[PersonNumber=A3sg]+Hn[Possessive=P2sg]+NDA[Case=Loc]+[Copula=PresCop]+[PersonNumber=V3pl])+[Proper=False]

This output provides critical insights into the structure of the Turkish word, breaking it down into its components, including the root form, affixes, and their grammatical attributes. Think of it as dissecting a fruit to reveal its seeds and outer layers!

Troubleshooting

If you encounter issues, such as receiving an empty result or the output indicating that an input word is not accepted, ensure that you have correctly installed all dependencies and that your input conforms to Turkish grammatical rules. For example:

bazel run -c opt scripts:print_analyses -- --word=foo

This command would output that “foo” is not recognized as a Turkish word. Verify your input against known Turkish lexicon.

For further assistance or insights into AI development projects related to this morphological analyzer, feel free to connect with us at fxis.ai.

Conclusion

By following this guide, you should be able to set up and utilize the Turkish Morphological Analyzer effectively. Delve into the intricate structures of the Turkish language and enhance your language processing applications.

At fxis.ai, we believe that such advancements are crucial for the future of AI, as they enable more comprehensive and effective solutions. Our team is continually exploring new methodologies to push the envelope in artificial intelligence, ensuring that our clients benefit from the latest technological innovations.

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