Re: New releases - FRED and Tipalo: from natural language to RDF/OWL

Good job! FRED generally works well but it still can fail on some simple
sentences such as "Bill Gates started Microsoft."

Regards,

Lushan

On Thu, Jul 12, 2012 at 9:59 AM, valentina presutti <vpresutti@gmail.com>wrote:

> Dear all,
>
> We are pleased to announce the release of two new tools: FRED and Tipalo.
> Online demonstrators are available from the STLab tools page [0] that
> collects our software releases. We invite you to play with them, and
> provide your welcome feedback:
>
> FRED - http://wit.istc.cnr.it/stlab-tools/fred
> A tool for automatically producing RDF/OWL ontologies and linked data from
> natural language sentences, currently limited to English.
> FRED is based on C&C [1] and Boxer [2], a NLP tool that transforms natural
> language text into a logical form compliant to Discourse Representation
> Theory. We process Boxer output and apply a set of heuristics and semantic
> transformations in order to obtain RDF designed for the Semantic Web. In
> this process, we emphasize the relation to linguistic frames, supporting
> FrameNet and VerbNet vocabularies, and to ontology design patterns.
> In order to further improve interlinking of FRED results with LOD, a
> number of features are under testing (they are already available in the
> Tipalo tool), including Named Entity Resolution (based on Apache Stanbol
> [3]) and Word Sense Disambiguation (based on UKB [4]). FRED results are
> available as n-triples or graphs. A paper on FRED will be presented at next
> EKAW2012 [5].
>
> Tipalo - http://wit.istc.cnr.it/stlab-tools/tipalo
> A tool that automatically assigns types to Wikipedia entities in a
> LOD-intensive graph. Given a Wikipedia page URI, the tool returns a RDF
> graph composed of rdf:type, rdfs:subClassOf, owl:sameAs, and
> owl:equivalentTo statements providing typing information (organized into
> class taxonomies) about the entity referred by the Wikipedia page.
> Currently, entity types are derived from the text, and aligned to the
> DBpedia Ontology [6], WordNet 3.0 in RDF [7], DUL [8], and DolceZero [9].
> The tool relies on FRED (including NER and WSD), hence it has unlimited
> domain coverage (i.e., it is independent from the completeness of specific
> ontologies). Results are available as RDF, HTML (with LODE [10]), and
> graphs. A paper describing Tipalo is currently under review.
>
> Each tool is described in more detail in dedicated documentation.
>
> Enjoy!
>
> Feedback welcome to stlab@cnr.it
>
> The STLab team [11]
>
> Designers and developers of Tipalo and FRED are: Aldo Gangemi, Valentina
> Presutti, Francesco Draicchio, Alberto Musetti, Andrea Nuzzolese
>
> This work has been partly supported by EU IKS project [12] and developed
> in collaboration with the Computer Science department of the University of
> Bologna [13].
>
> [0] http://with.isct.cnr.it/stlab-tools/
> [1] http://svn.ask.it.usyd.edu.au/trac/candc
> [2] http://svn.ask.it.usyd.edu.au/trac/candc/wiki/boxer
> [3] http://incubator.apache.org/stanbol/
> [4] http://ixa2.si.ehu.es/ukb/
> [5] http://ekaw2012.ekaw.org/node/137
> [6] http://dbpedia.org/Ontology
> [7] http://semanticweb.cs.vu.nl/lod/wn30/
> [8] http://www.ontologydesignpatterns.org/ont/dul/DUL.owl
> [9] http://www.ontologydesignpatterns.org/ont/d0.owl
> [10] http://www.essepuntato.it/lode
> [11] http://stlab.istc.cnr.it/stlab/People
> [12] http://iks-project.eu/
> [13] http://www.informatica.unibo.it/
>