Hello Cong,
the problem is that the first query is illegal SPARQL Syntax, but
Virtuoso allows such queries nevertheless.
You can avoid the parsing to a Query object if you use the
QueryEngineHttp class instead, which only works with the query string
and does not do any syntax checks.
Lorenz
> Hi Lorena, Lorenz,
>
> Thanks for your information. Sorry, I didn't check carefully the
> documentation about SPARQL1.1 before picking an example 'IN' in the
> SPARQL. Basically, we've created restful service for augmenting SPARQL
> queries. The queries are created by third party and sent to the rest
> endpoint to execute. The queries could be successfully run with SPARQL
> endpoint of Virtuoso. However, our Restful endpoint was failed to run
> such queries. The root cause was that Apache Jena library didn't
> understand the queries sent by third party. I just tested a real case
> we already had:
>
> select ?s as ?s1 ?p ?o
> where {
> ?s ?p ?o
> }
> limit 100
>
> This query is very simple, okay with Virtuoso, but failed with Apache
> Jena. For Apache Jena, we need to do something like:
> select (?s as ?s1) ?p ?o
> where {
> ?s ?p ?o
> }
> limit 100
>
> But, basically SPARQL queries are sent by other people to our Restful
> service, they just test the queries with SPARQL endpoint of Virtuoso,
> then they expected it would work with our Restful service. Does anyone
> of you know any possible solution for our issue. Thanks!
>
> Best regards,
> Kinh
>
> On 25/06/15 16:03, Lorenz Bühmann wrote:
>> Apache JENA supports full SPARQL 1.1 and thus also FILTER IN clause.
>>
>> Lorenz
>>> Hi Lorena,
>>>
>>> Thanks Lorena. Indeed, this Javascript library seems so powerful. I
>>> just
>>> had a quick look and found that the library also supported 'IN'.
>>> However, sorry to not mention in the first message, I'm actually using
>>> JAVA. Does you know a solution for this?
>>>
>>> Best regards,
>>> Kinh
>>>
>>> On 25/06/15 15:36, Lorena Etcheverry wrote:
>>>> Hi Kinh.
>>>>
>>>> I've been using this javascript SPARQL parser for a while and it's
>>>> very
>>>> good.
>>>>
>>>> http://ruben.verborgh.org/blog/2014/08/22/writing-a-sparql-parser-in-javascript/
>>>>
>>>>
>>>>
>>>> best
>>>> lorena
>>>>
>>>> On 06/25/2015 10:15 AM, Cong Kinh Nguyen wrote:
>>>>> Hi everybody,
>>>>>
>>>>> I have been using Jena library to parse SPARQL query. However,
>>>>> Virtuoso
>>>>> supports a lot more than Jena. Could anyone tell me if there was any
>>>>> libraries for parsing SPARQL queries with extensible features (for
>>>>> example: support 'IN', etc.) in Virtuoso? Thanks in advance!
>>>>>
>>>>> Best regards,
>>>>> Kinh
>>>>>
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>>> network devices and physical & virtual servers, alerts via email & sms
>>> for fault. Monitor 25 devices for free with no restriction. Download
>>> now
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>
>
>
--
Lorenz Bühmann
AKSW group, University of Leipzig
Group: http://aksw.org - semantic web research center
------------------------------------------------------------------------------
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OpManager is web-based network management software that monitors
network devices and physical & virtual servers, alerts via email & sms
for fault. Monitor 25 devices for free with no restriction. Download now
http://ad.doubleclick.net/ddm/clk/292181274;119417398;o
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