[rules-users] Solution for reasoning over XML?

[Chris Selwyn]

Is this paper freely available?
I would be interested in seeing a copy of it since I have recently been using with Drools to detect all sorts of data conditions in XML documents.

Chris

On 11/01/2013 07:03, Wolfgang Laun wrote:
> There was my talk at IntelliFest 2012: "Reasoning with XML Data".
> Although it assumes that XML elements are unmarshalled into regular
> Pojos, it may still contain some useful ideas and code snippets.
>
> I'll send you the paper off-list, and I'd be interested to learn about
> your reason for not converting to Pojos (using JAXB or similar).
>
> Best
> Wolfgang
>
>
> On 11/01/2013, craigparra <craigparra at gmail.com> wrote:
>> Hi,
>>
>> I was looking around trying to find a solution for reasoning over any XML
>> in
>> drools, without having to convert the XML into java objects, but couldn't
>> find any example where this had been done.
>>
>> I have opted to DOM parse the XML, then recursively wrap every Element node
>> in a convenience class (XmlElement) and insert as facts.  That is every
>> element is inserted individually as a fact.
>>
>> My conditionals look like:
>>
>> $xml : XmlElement(name == 'someName', value == 'someValue')
>> $xml : XmlElement(path== '/some/xpathlike/path', value == 'someValue')
>> $xml : XmlElement(attribute['someAttr'] == 'someValue')
>>
>> or using a DSL:
>>
>> An XML element exists
>> - named someName with a value of
>> - at path /some/xpathlike/path with a value in "someVal","someOtherVal"
>>
>> Is this a pattern that other drools users have encountered? Or tried to
>> solve.
>>
>> It seems to work quite well, at least in my scenario - but clearly it has
>> limitations based on the DOM parse (ie not great for massive XML files).
>>
>> Was wondering if anyone else had tried to solve how to use XML as facts?
>>
>>
>>
>> --
>> View this message in context:
>> http://drools.46999.n3.nabble.com/Solution-for-reasoning-over-XML-tp4021454.html
>> Sent from the Drools: User forum mailing list archive at Nabble.com.
>> _______________________________________________
>> rules-users mailing list
>> rules-users at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users