HI Danny,
Yes I got it. Thanks for your explanation.,
Santhosh Rajasekaran
Danny Sokolsky <[email protected]>
Sent by: [email protected]
05/18/2009 09:59 PM
Please respond to
General Mark Logic Developer Discussion <[email protected]>
To
General Mark Logic Developer Discussion <[email protected]>
cc
Subject
RE: [MarkLogic Dev General] RE: How to search plural documents by
Hi Santhosh,
Relevance order is an order determined using tf/idf (or one of the other
relevance algorithms), and is based on the term frequency of terms you are
searching for. The most relevant document will return at the beginning of
the results. This is the classic search algorithm, and cts:search
expressions return in relevance order.
XPath returns in document order. XML documents have order implied in
their structure, and XPath requires that this order be maintained. You
can later change the order of a sequence that is the result of an XPath by
doing an order by (with a FLWOR).
When you have multiple documents that return from an XPath expression,
that order is known as document order (what Kelly was referring to as
database order). The actual order of document order is ?implementation
defined?, which means that the spec does not dictate the order, but does
dictate that given a steady-state of the database, it will be consistent.
XPath will preserve document order.
Does that expain it?
-Danny
From: [email protected] [
mailto:[email protected]] On Behalf Of Santhosh Raj
Sent: Monday, May 18, 2009 5:34 AM
To: General Mark Logic Developer Discussion
Subject: Re: [MarkLogic Dev General] RE: How to search plural documents by
Hi kelly,
What is database order and relevance order? what is the
difference?
Santhosh Rajasekaran
Tata Consultancy Services
Mailto: [email protected]
Website: http://www.tcs.com
____________________________________________
Experience certainty. IT Services
Business Solutions
Outsourcing
____________________________________________
Kelly Stirman <[email protected]>
Sent by: [email protected]
05/18/2009 05:21 PM
Please respond to
General Mark Logic Developer Discussion <[email protected]>
To
"[email protected]" <[email protected]>
cc
Subject
[MarkLogic Dev General] RE: How to search plural documents by
XPath expressions are evaluated against all documents in a MarkLogic
database:
/foo/bar
Will return all elements bar that are children of documents with a root
node of foo.
collection("my-collection")/foo/bar
Will return all elements bar that are children of documents with a root
node of foo that belong to the collection "my-collection."
xdmp:directory("/my-directory/","infinity")/foo/bar
Will return all elements bar that are children of documents with a root
node of foo that are in a directory called "/my-directory/" or any of its
descendent directories.
One difference between cts:search() and XPath is the ordering of
documents. XPath returns documents in database order, whereas cts:search()
returns documents in relevance order. It is possible to order your
expressions by other values, but to do that you will need a FLWOR
expression.
Finally, you can add cts:query constraints to your XPath expressions using
cts:contains():
xdmp:directory("/my-directory/","infinity")/foo/bar[cts:contains(.,cts:and-query(("blue","red")))]
Will return all elements bar that are children of documents with a root
node of foo that contain the words "red" and "blue" that are in a
directory called "/my-directory/" or any of its descendent directories.
Results will be returned in database order.
Hope this helps.
Kelly
Message: 3
Date: Mon, 18 May 2009 20:38:23 +0900
From: "Yasumasa Shigemoto" <[email protected]>
Subject: [MarkLogic Dev General] How to search plural documents by
using XPath.
To: <[email protected]>
Message-ID: <7d68896c51664e35b4ad353578276...@fbio001742bf1332>
Content-Type: text/plain; format=flowed; charset="iso-2022-jp";
reply-type=original
Hi all,
I have used MarkLogic for two weeks, and I have managed to use XQuery
against one XML document. And I could also use cts:search against plural
XML
documents. However I would like to search against plural documents by
using
XPath. Can I do it by using both cts:search and XQuery? If yes, could you
tell me the examples of XQuery and XML documents?
Thanks and regards,
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