dicegroup/tebaqa repository overview

⁠Template-Based Question Answering

⁠Preview

• A running example of this application is at https://tebaqa.demos.dice-research.org/⁠

⁠Execution

• Checkout the project
• Execute the following command in the root directory to start the server: mvn spring-boot:run

⁠Docker

First install docker in your system. For ubuntu you may refer to below link. [https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-ubuntu-16-04⁠]

For windows users [https://docs.docker.com/toolbox/toolbox_install_windows/#step-1-check-your-version⁠]

Move to the parent directory of project and execute the below commands

mvn clean
mvn package

Now to build your image, type the below command.

sudo docker build -f Dockerfile -t tebaqa .

To run your image, type the below command.

sudo docker run -d -p 8187:8080 -t tebaqa --restart always

It will be available under localhost:8187

⁠Citation

Vollmers, D., Jalota, R., Moussallem, D., Topiwala, H., Ngomo, A. C. N., & Usbeck, R. (2021). Knowledge Graph Question Answering using Graph-Pattern Isomorphism. arXiv preprint arXiv:2103.06752. https://arxiv.org/abs/2103.06752⁠

⁠Question Answering

• To answer a question simply execute a HTTP POST request to
  • http://localhost:8181/qa for the answer which follows the W3C Query Results JSON Format (see https://www.w3.org/TR/sparql11-results-json/⁠).
  • http://localhost:8181/qa-simple for a simple JSON with only the answer.
• Parameters:
  • query: A string which contains a question (required).
  • lang: The language of the question (default:en) Note: Other languages than English haven't been implemented yet.
• An example request could look like this:
  • http://localhost:8181/qa?query=What is the original title of the interpretation of dreams?&lang=en

⁠Evaluation

• QALD-8: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012090005⁠
• QALD-9: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012050000⁠
• LC-QUAD v1: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012160002⁠
• LC-QUAD v2: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202103220000⁠

⁠Ablation study

• perfect Classification: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012070002⁠
• perfect Classification and Entity Linking: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012090000⁠
• perfect Classification and Ranking: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012090001⁠
• perfect Entity Linking: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012070004⁠
• perfect Entity Linking and Ranking: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012080001⁠
• perfect Ranking: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012080000⁠
• perfect Entity Classification,Entity Linking and Ranking: http://gerbil-qa.cs.upb.de:8080/gerbil/experiment?id=202012080002⁠

⁠Credit

• DBpedia Chatbot⁠: Styling of the result cards.