nlp2rdf-parent org.nlp2rdf 1.1-pre-field-study 4.0.0 implementation pom Implementations of NIF demo sample snowball stanford-core lingpipe lexo opennlp org.nlp2rdf stanford-core-wrapper ${project.version} org.nlp2rdf stanford-core-webservice ${project.version} org.nlp2rdf lexo-wrapper ${project.version} org.nlp2rdf lexo-wrapper ${project.version} org.nlp2rdf snowball-wrapper ${project.version} org.nlp2rdf snowball-webservice ${project.version} org.nlp2rdf lingpipe-wrapper ${project.version} org.nlp2rdf opennlp-wrapper ${project.version} org.nlp2rdf opennlp-webservice ${project.version}