[NLP2RDF] Guidelines for RESTful NIF-based services

Fri Sep 26 09:38:09 CEST 2014

Hi Sebastian, all,

    one question: have you ever thought about recommending a paramter 
for NIF-based services that controls the verbosity of the output. 
Verbosity could take two values: full or minimal.

Full would return the full NIF output containing the input document plus 
the additional annotations.

Minimal: would only return the additional triples added.

I think this would be very useful because it allows to minimize the data 
sent back by a NIF service.

I am sure you have thought about this already. What is your position 
with respect to this?

Best regards,

Philipp.

Am 23.09.14 12:52, schrieb Sebastian Hellmann:
> Also, I still haven't found the time to check in detail whether it 
> makes sense to restrict all NIF services to REST. In principle yes, 
> but as written above, this needs some thought and I need to read about 
> REST once more.
>
> JSON-LD will also come soon, but some RDF parsers don't read it, 
> because it is too complicated to parse:
> http://librdf.org/raptor/
>
> all the best,
> Sebastian
>
>>
>>       JSON Serializers
>>
>> Two serializers for to write triples encoded in JSON:
>>
>>  1. |json|: in a resource-centric abbreviated form like Turtle or
>>     RDF/XML-Abbreviated as defined by: RDF 1.1 JSON Alternate
>>     Serialization (RDF/JSON)
>>     <http://www.w3.org/TR/2013/NOTE-rdf-json-20131107/>, W3C Working
>>     Group Note, 07 November 2013
>>  2. |json-triples|: a triple-centric format based on the SPARQL
>>     results in JSON format.
>>
>> JSON-LD is not supported - too complex to implement.
>>
>
>
>
> On 23.09.2014 12:47, Sebastian Hellmann wrote:
>> Hi Philipp,
>> sorry, I should have taken a look earlier. I about to go on holiday 
>> in two days and as you might know the pre-holiday time is quite work 
>> intensive...
>>
>> Yes, the guidelines look very good. I am happy that you could extract 
>> this from documentation.
>>
>> Ciro deployed stanford and opennlp the other day and gets things 
>> runnging again:
>> http://demo.nlp2rdf.org:9999/stanfordcorenlpn?f=text&i=This+is+a+test.&t=direct
>>
>> There are some minor changes, which need to be discussed.
>>
>> for begin and endIndex:
>> Serializer should use xsd:int , Parser must accept xsd:int, xsd:long 
>> and xsd:nonNegativeInteger and no datatype
>> Note: xsd:int (32-bit signed int) is optimized by most databases and 
>> therefore provides benefits for SPARQL out of the box.
>> xsd:nonNegativeInteger is the correct datatype allowing the 
>> right-open interval of [0,inf) but I am not sure, if this datatype is 
>> implemented.
>>
>>
>> for anchorOf and isString:
>> Serializer must use xsd:string
>> -> this is to avoid people adding nametags, which can be ambiguous.
>>
>> Other than that very good.
>> There is a second way to chain parsers via:
>> curl http://service1 -d t="url" --dataurlencode 
>> "http://demo.nlp2rdf.org:9999/stanfordcorenlpn?f=text&i=This+is+a+test.&t=direct"
>>
>> All the best,
>> Sebastian
>>
>> On 23.09.2014 09:16, Philipp Cimiano wrote:
>>> Dear all,
>>>
>>>   I was wondering why I have received no feedback other than from 
>>> Mariano Rico on the document I sent two weeks ago. My goal is to 
>>> finalize the guidelines for the LIDER project this week, so I would 
>>> appreciate any feedback. Confirming that the way we have implemented 
>>> the NIF-based services is fine would also be an important type of 
>>> feedback ;-)
>>>
>>> I attach the document again for ease of reference.
>>>
>>> Any feedback is welcome, thanks a lot!
>>>
>>> Philipp.
>>>
>>> Am 09.09.14 16:27, schrieb Philipp Cimiano:
>>>> Dear all,
>>>>
>>>>  I just joined the list. In the context of the European LIDER 
>>>> project, I am trying to put together some guidelines on how to 
>>>> implement NIF-based Restful NLP services.
>>>>
>>>> Our student Benjamin Siemoneit (CC) has put together a document 
>>>> describing how he has set up two services, wrapping the Stanford 
>>>> POS tagger and the Stanford parser.
>>>>
>>>> The document is attached. I would be very happy to get some 
>>>> feedback on the document, i.e. on
>>>>
>>>> 1) Parameters of services
>>>> 2) use of NIF vocabulary
>>>> 3) chaining of services via curl
>>>>
>>>> Enjoy the document ;-)
>>>>
>>>> Philipp.
>>>>
>>>
>>>
>>>
>>> _______________________________________________
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>>
>>
>> -- 
>> Sebastian Hellmann
>> AKSW/NLP2RDF research group
>> Insitute for Applied Informatics (InfAI) and DBpedia Association
>> Events:
>> * *Sept. 1-5, 2014* Conference Week in Leipzig, including
>> ** *Sept 2nd*, MLODE 2014 <http://mlode2014.nlp2rdf.org/>
>> ** *Sept 3rd*, 2nd DBpedia Community Meeting 
>> <http://wiki.dbpedia.org/meetings/Leipzig2014>
>> ** *Sept 4th-5th*, SEMANTiCS (formerly i-SEMANTICS) 
>> <http://semantics.cc/>
>> Venha para a Alemanha como PhD: http://bis.informatik.uni-leipzig.de/csf
>> Projects: http://dbpedia.org, http://nlp2rdf.org, 
>> http://linguistics.okfn.org, https://www.w3.org/community/ld4lt 
>> <http://www.w3.org/community/ld4lt>
>> Homepage: http://aksw.org/SebastianHellmann
>> Research Group: http://aksw.org
>> Thesis:
>> http://tinyurl.com/sh-thesis-summary
>> http://tinyurl.com/sh-thesis
>>
>>
>> _______________________________________________
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>> NLP2RDF at lists.informatik.uni-leipzig.de
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>
>
> -- 
> Sebastian Hellmann
> AKSW/NLP2RDF research group
> Insitute for Applied Informatics (InfAI) and DBpedia Association
> Events:
> * *Sept. 1-5, 2014* Conference Week in Leipzig, including
> ** *Sept 2nd*, MLODE 2014 <http://mlode2014.nlp2rdf.org/>
> ** *Sept 3rd*, 2nd DBpedia Community Meeting 
> <http://wiki.dbpedia.org/meetings/Leipzig2014>
> ** *Sept 4th-5th*, SEMANTiCS (formerly i-SEMANTICS) <http://semantics.cc/>
> Venha para a Alemanha como PhD: http://bis.informatik.uni-leipzig.de/csf
> Projects: http://dbpedia.org, http://nlp2rdf.org, 
> http://linguistics.okfn.org, https://www.w3.org/community/ld4lt 
> <http://www.w3.org/community/ld4lt>
> Homepage: http://aksw.org/SebastianHellmann
> Research Group: http://aksw.org
> Thesis:
> http://tinyurl.com/sh-thesis-summary
> http://tinyurl.com/sh-thesis

-- 
--
Prof. Dr. Philipp Cimiano
AG Semantic Computing
Exzellenzcluster für Cognitive Interaction Technology (CITEC)
Universität Bielefeld

Tel: +49 521 106 12249
Fax: +49 521 106 6560
Mail: cimiano at cit-ec.uni-bielefeld.de

Office CITEC-2.307
Universitätsstr. 21-25
33615 Bielefeld, NRW
Germany

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