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Ner Service

A simple webservice for the Stanford NER Tagger

Usage

  1. Clone the repo

    git clone https://github.com/DarthMax/scala-ner-server
    cd scala-ner-server
  2. First Download the German language models from http://nlp.stanford.edu/software/CRF-NER.shtml

    $ wget http://nlp.stanford.edu/software/stanford-german-2015-10-14-models.jar -P lib/
  3. Build the JAR

    $ ./sbt
    > assembly
  4. Run the server

    $ PORT=8080 java -jar target/scala-[SCALA-VERSION]/ner-service-[SCALA-VERSION]-0.1.0-SNAPSHOT.jar &
  5. Query

    $ curl -X POST --data "text=Das ist Angela Merkel" localhost:8080
    Das ist <I-PER>Angela Merkel</I-PER>

Running as Daemon

If you want to run the service in the background you can use for example use systemd

# /etc/systemd/system/ner.service

[Unit]
Description=NER Tagging Web Service

[Service]
Type=simple
ExecStart=/usr/bin/java -jar /opt/scala-ner-server/scala-ner-server_0.1.0.jar
Restart=on-abort

[Install]
WantedBy=multi-user.target

Then reload the services and start it

$ sudo systemctl reload-daemons
$ sudo systemctl enable ner.service
$ sudo systemctl start ner.service