Finding association rule (creating problem)

Question

sir i m working on xquery for finding assocation rule using xquery i complete the conding for how i write xquery for that. but now i found a problem that they give me error that _"Unexpected token "declare function" beyond end of query_" i send me coding part for u plz help me out for how i do.........i m using oxygen xml developer for running the xquery my simple query running proper but we use more than one function in recursive manner they create problem give error Unexpected token "declare function" beyond end of query.
(: You can activate the content completion by pressing the Ctrl+Space keys. :)
xquery version "1.0";
(: Namespace for the <oXygen/> custom functions and variables :)
declare namespace oxy="http://www.oxygenxml.com/xquery/functions";
declare namespace global="http://www.oxygenxml.com/xquery/functions";
(: The URI of the document that is to be queried :)
declare variable $oxy:document-uri as xs:string := "transaction.xml";
declare variable $oxy:document-to-query as xs:string := "transaction.xml";
declare variable $local:document-to-query as xs:string := "transaction.xml";
declare variable $oxy:document as document-node() := doc($oxy:document-uri);
let $src := doc("transaction.xml")//items
let $minsup:=2
let $total:=count($src)*1.00
let $c:=distinct-values($src/*)
let $l:=(for $itemset in $c
let $items:=(for $item in $src/*
where $itemset=$item
return $item)
let $sup:=(count($items)+1)
where $sup>=$minsup
return <largeItemset>
<items> {$items} </items>
<support> {$sup} </support>
</largeItemset>)
let $L:=$l
return <largeItemsets>{oxyl:FP-growth($l,$L,$minsup,$total,$src)}
</largeItemsets>
_/////that part is fine but we we use next fp-growth function they give same error
plz sir help me for solving this////*
declare function oxy:FP-growth(element $l, element $L, element $minsup, element $total, element $src)
returns element {
let $f-item:= first item in $L
let $l-item:= last item in $L
let $T:=oxy:getl-itemsets($src, $total, $minsup)
return <items>
{oxy:join ($l-item, $T)}
</items>
let $l:=$l-items
let $L:=oxy:remove($l)
for f-item in $L
where $f-item != $l-item
return oxy:FP-growth($l, $L, $minsup, $total, $src)
declare function oxy:getl-itemsets(element $src, element $total, element $minsup)
returns element {
let $l:=(for $itemset in $src
where $itemset=$l-item
return $itemset)
let $sup:=(count($l)+1
where $sup>=$minsup
return <largeItemset>
<items> {$item} </items>
<support> {$sup} </support>
</largeItemset>
declare function oxy:join(element $X, element $Y) returns element {
let $items := (for $item in $Y
where every $i in $X satisfies
$i != $item
return $item)
return $X union $items
declare function oxy:removeDuplicate(element $C) returns element
for $itemset1 in $C
let $items1 := $itemset1/*
let $items :=(for $itemset2 in $C
let $items2 := $itemset2/*
where $itemset2>>$itemset1 and
count($items1) =
count(commonIts($items1, $items2))
return $items2)
where count($items) = 0
return $itemset1
input file for this xquery is:=
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/css" href="personal-schema.css"?>
<transactions>
<transaction id="1">
<items>
<title>The Green Mile</title>
<author>Stephen King</author>
<item>a</item>
<item>d</item>
<item>e</item>
</items>
</transaction>
<transaction id="2">
<items>
<title>The Green Mile</title>
<author>J. D. Salinger</author>
<item>b</item>
<item>c</item>
<item>d</item>
</items>
</transaction>
<transaction id="3">
<items>
<title>The Green Mile</title>
<author>Issac Asimov</author>
<item>a</item>
<item>c</item>
<item>e</item>
</items>
</transaction>
<transaction id="4">
<items>
<title>The Green Mile</title>
<author>Isaac Asimov</author>
<item>b</item>
<item>c</item>
<item>d</item>
</items>
</transaction>
<transaction id="5">
<items>
<title>The Green Mile</title>
<author>Oscar Wilde</author>
<item>a</item>
<item>b</item>
</items>
</transaction>
</transactions>
Edited by: 920412 on Mar 12, 2012 11:26 PM
Edited by: 920412 on Mar 14, 2012 10:57 PM
Edited by: 920412 on Mar 14, 2012 11:17 PM

Answer 1

thank u sir my code is running
but there is one problem the result he regerate is not correct sir
i send the complete information to u my input file my project code my output file and my actual output that i need ......plz sir chek it where is he logical mistak in code i completely chek lots of time i m not able to find where is the logical mistak plz sir help me
input file "transactions.xml"
<?xml version="1.0" standalone="yes"?>
<transactions>
<transaction id="1">
<items>
<item>a</item>
<item>d</item>
<item>e</item>
</items>
</transaction>
<transaction id="2">
<items>
<item>b</item>
<item>c</item>
<item>d</item>
</items>
</transaction>
<transaction id="3">
<items>
<item>a</item>
<item>c</item>
<item>e</item>
</items>
</transaction>
<transaction id="4">
<items>
<item>b</item>
<item>c</item>
<item>d</item>
</items>
</transaction>
<transaction id="5">
<items>
<item>a</item>
<item>b</item>
</items>
</transaction>
</transactions>
coding :=
xquery version "1.0";
declare namespace local = "http://www.w3.org/2003/11/xpath-local-functions";
declare function local:join($X as element()*, $Y as element()*) as element()* {
let $items := (for $item in $Y
where every $i in $X satisfies
$i != $item
return $item)
return $X union $items
declare function local:commonIts($X as element()*, $Y as element()*) as element()* {
for $item in $X
where some $i in $Y satisfies $i = $item
return $item
declare function local:removeIts($X as element()*, $Y as element()*) as element()* {
for $item in $X
where every $i in $Y satisfies $i != $item
return $item
declare function local:candidateGen($l as element()*) as element()* {
for $freqSet1 in $l
let $items1 := $freqSet1//items/*
for $freqSet2 in $l
let $items2 := $freqSet2//items/*
where $freqSet2 >> $freqSet1 and
count($items1)+1 = count($items1 union $items2)
and local:prune(local:join($items1,$items2), $l)
return
<items>{local:join($items1,$items2)}</items>
declare function local:prune($X as element()*, $Y as element()*) as xs:boolean
every $item in $X satisfies
some $items in $Y//items satisfies
count(local:commonIts(local:removeIts($X,$item),$items/*))
= count($X) - 1
declare function local:removeDuplicate($C as element()*) as element()*
for $itemset1 in $C
let $items1 := $itemset1/*
let $items :=(for $itemset2 in $C
let $items2 := $itemset2/*
where $itemset2>>$itemset1 and
count($items1) =
count(local:commonIts($items1, $items2))
return $items2)
where count($items) = 0
return $itemset1
declare function local:getLargeItemsets($C as element()*, $minsup as xs:decimal, $total as xs:decimal, $src as element()*) as element()*
for $items in $C
let $trans := (for $tran in $src
where every $item1 in $items/* satisfies
some $item2 in $tran/*
satisfies $item1 = $item2
return $tran)
let $sup := (count($trans) * 1.00) div $total
where $sup >= $minsup
return <largeItemset> {$items}
<support> {$sup} </support>
</largeItemset>
declare function local:fp-growth($l as element()*, $L as element()*, $minsup as xs:decimal, $total as xs:decimal, $src as element()*) as element()*
let $C := local:removeDuplicate(local:candidateGen($l))
let $l := local:getLargeItemsets($C, $minsup, $total, $src)
let $L := $l union $L
return if (empty($l)) then
$L
else
local:fp-growth($l, $L, $minsup, $total, $src)
let $src := doc("transactions.xml")//items
let $minsup := 0.5
let $total := count($src) * 1.00
let $C := distinct-values($src/*)
let $l :=(for $itemset in $C
let $items := (for $item in $src/*
where $itemset = $item
return $item)
let $sup := (count($items) * 1.00) div $total
where $sup >= $minsup
return <largeItemset>
<items> {$itemset} </items>
<support> {$sup} </support>
</largeItemset>)
let $L := $l
return <largeItemsets> { local:fp-growth($l, $L,$minsup, $total, $src) }
</largeItemsets>
output that is get for running the query:=
<?xml version="1.0" encoding="UTF-8"?>
<largeItemsets>
<largeItemset>
<items>a</items>
<support>0.6</support>
</largeItemset>
<largeItemset>
<items>d</items>
<support>0.6</support>
</largeItemset>
<largeItemset>
<items>b</items>
<support>0.6</support>
</largeItemset>
<largeItemset>
<items>c</items>
<support>0.6</support>
</largeItemset>
</largeItemsets>
but sir i want my output like that:=
<?xml version="1.0" standalone="yes"?>
<largeItemsets>
<largeItemset>
<Items>
<item>a</item>
</Items>
<support>0.6</support>
</largeItemset>
<largeItemset>
<Items>
<item>d</item>
</Items>
<support>0.6</support>
</largeItemset>
<largeItemset>
<Items>
<item>b</item>
</Items>
<support>0.6</support>
</largeItemset>
<largeItemset>
<Items>
<item>c</item>
</Items>
<support>0.6</support>
</largeItemset>
<largeItemset>
<Items>
<item>d</item>
<item>b</item>
</Items>
<support>0.4</support>
</largeItemset>
<largeItemset>
<Items>
<item>b</item>
<item>c</item>
</Items>
<support>0.4</support>
</largeItemset>
<largeItemset>
<Items>
<item>d</item>
<item>c</item>
<item>b</item>
</Items>
<support>0.4</support>
</largeItemset>
</largeItemsets>
sir i want that out which i shown last help me sir how i sort out this problem
thank i advance