Any Fuzzy Software ( Other Than SOUNDEX / NYSIIS )?
Jul 23, 2005
Hi All
We are using soundex (and later tried Nysiis) for fuzzy name search
software. But we faced a lot of problems the search accuracy was not very
good also we saw a lot of misses of relevant names.
There are many problems other than precision and accuracy, with soundex and
NYSIIS.
e.g.
Look for Smith and it will come-up with around 250 very popular last names.
That dones not help much when a user is searching for "John Smith". Also, it
does not return Creighton for Kryton as the search string.
I googled a little and saw soming called NamiX. Without contacting the
company ( arizcon.com ) directly, I wanted to get feedback from newsgroups
or people who are experts at this. Has anyone used this software? If so, Is
it as good as they claim?
Thanks a million in advance.
Steve Creighton
(please remove .antispam from email address) or post back your answers to
this group
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Aug 14, 2007
Dear Friends,
i think fuzzy lookup
COMPARES WHAT WE ARE MAPING THE COLUMNS WITH SPELLING (IT WILL REJECT ATLEAST 1 LETTER IS DIFFRENT IN ANY RECORD MAPPED COLUMN) EX: RAVI != REVI
what is fuzzy grouping ???? please explain
regards
koti
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Apr 15, 2008
I've been looking into ways to accomplish a fuzzy search and SSIS makes that possible if I want to do a bulk import or something like it. But what it I just want to look stuff up at any given time not haveing to run the package?
Is it possible to expose the fuzzy lookup outside of SSIS to for example t-sql?
Here's an example:
I want to lookup the music artist "Notorious BIG" but in the database it is "Notorious B.I.G." if I use the SSIS fuzzy lookup I basically get what I'm looking for. But how would I call this from a web application? So then I tried Full text search but this doesn't really work out as well.
Will I have to re-write the logic that the fuzzy lookup uses to enable it to work? i.e. using Full Text Indexes and FreeTextTable, ContainsTable, SoundEx and the like to somewhat even come close to what the Fuzzy Lookup has?
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Apr 30, 2002
Can someone please explain how to do a query using the soundex function?
If I have the last name of Smith and I want to get similar matches
with soundex, what would be the syntax?
SELECT * FROM NAME WHERE LNAME = 'SMITH'
Thanks,
Kellie
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Jul 1, 2004
Has anyone used SOUNDEX() practically?
Everytime i look through bol searching for a function i end up playing with soundex and diffference but have never been able (or wanted to take the time) to understand the values they generate..
just asking.
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Feb 6, 2008
Hi guys and gals (in case Tara reads this...)
We've installed this on our server:
http://microsoft.apress.com/feature/72/sql-server-soundexing
(all the udf attempts were way too slow; this uda is nice and quick)
But we have not been able to reproduce the supposed improved functionality. No matter what misspelled name we send it, soundex and soundex_nara return the same amount of clients (in a db of over half a million). The return codes are sometimes different for the two functions but it doesnt ever result in an actual difference in query results. Has anyone actually experienced a difference in returned results?
EDIT:
Have a look at this:
http://en.wikipedia.org/wiki/Levenshtein_distance
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Oct 27, 2006
I have two tables in Access database. One table has 166,000 rows and another -75,000 rows.
Both tables consist of the ids, names and addresses.
I need to run a program, which was written in VBA, to find similar names and cities in these two tables, and then I need to populate the third table with id only from both tables. I forgot to mention I use Soundex function in Access. I try to run this program for 48 hours, and it still running. Do you think this is a good idea to use Access for this task ? Or could you please help me to find another solution?
Please let me know.
Rose
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Feb 15, 2005
Hello,
Does the SOUNDEX function only apply to english (surnames) or can it be used for other languages e.g. Dutch.
Well, it can be used ofc. but does it produce meaningful output ?
Thanks,
Rick
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Mar 17, 2008
I there a minimum amount of characters I can send in. Seems like less than 3 characters does not work? Can I change that?
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Mar 6, 2002
Disgruntled with Soundex I went looking for a better phonetic matching algorithm.
Turns out there is a rather good one called Metaphone, which comes in two variants (Simple and Double)
I could find the source for this in C++, but I wanted to have it as a user function.
So here it is:
CREATE FUNCTION dbo.Metaphone(@str as varchar(70))
RETURNS varchar (25)
/*
Metaphone Algorithm
Created by Lawrence Philips.
Metaphone presented in article in "Computer Language" December 1990 issue.
Translated into t-SQL by Keith Henry (keithh_AT_lbm-solutions.com)
*********** BEGIN METAPHONE RULES ***********
Lawrence Philips' RULES follow:
The 16 consonant sounds:
|--- ZERO represents "th"
|
B X S K J T F H L M N P R 0 W Y
Drop vowels
Exceptions:
Beginning of word: "ae-", "gn", "kn-", "pn-", "wr-" ----> drop first letter
Beginning of word: "x" ----> change to "s"
Beginning of word: "wh-" ----> change to "w"
Beginning of word: vowel ----> Keep it
Transformations:
B ----> B unless at the end of word after "m", as in "dumb", "McComb"
C ----> X (sh) if "-cia-" or "-ch-"
S if "-ci-", "-ce-", or "-cy-"
SILENT if "-sci-", "-sce-", or "-scy-"
K otherwise, including in "-sch-"
D ----> J if in "-dge-", "-dgy-", or "-dgi-"
T otherwise
F ----> F
G ----> SILENT if in "-gh-" and not at end or before a vowel
in "-gn" or "-gned"
in "-dge-" etc., as in above rule
J if before "i", or "e", or "y" if not double "gg"
K otherwise
H ----> SILENT if after vowel and no vowel follows
or after "-ch-", "-sh-", "-ph-", "-th-", "-gh-"
H otherwise
J ----> J
K ----> SILENT if after "c"
K otherwise
L ----> L
M ----> M
N ----> N
P ----> F if before "h"
P otherwise
Q ----> K
R ----> R
S ----> X (sh) if before "h" or in "-sio-" or "-sia-"
S otherwise
T ----> X (sh) if "-tia-" or "-tio-"
0 (th) if before "h"
silent if in "-tch-"
T otherwise
V ----> F
W ----> SILENT if not followed by a vowel
W if followed by a vowel
X ----> KS
Y ----> SILENT if not followed by a vowel
Y if followed by a vowel
Z ----> S
*/
AS
BEGIN
Declare@Result varchar(25),
@str3char(3),
@str2 char(2),
@str1 char(1),
@strp char(1),
@strLen tinyint,
@cnt tinyint
set @strLen = len(@str)
set@cnt=1
set@Result=''
--Process beginning exceptions
set @str2 = left(@str,2)
if @str2 in ('ae', 'gn', 'kn', 'pn', 'wr')
begin
set @str = right(@str , @strLen - 1)
set @strLen = @strLen - 1
end
if@str2 = 'wh'
begin
set @str = 'w' + right(@str , @strLen - 2)
set @strLen = @strLen - 1
end
set @str1 = left(@str,1)
if @str1= 'x'
begin
set @str = 's' + right(@str , @strLen - 1)
end
if @str1in ('a','e','i','o','u')
begin
set @str = right(@str , @strLen - 1)
set @strLen = @strLen - 1
set@Result=@str1
end
while @cnt <= @strLen
begin
set @str1 = substring(@str,@cnt,1)
if @cnt <> 1
set@strp=substring(@str,(@cnt-1),1)
elseset@strp=' '
if @strp<> @str1
begin
set @str2 = substring(@str,@cnt,2)
if @str1in('f','j','l','m','n','r')
set@Result=@Result + @str1
if @str1='q'set @Result=@Result + 'k'
if @str1='v'set @Result=@Result + 'f'
if @str1='x'set @Result=@Result + 'ks'
if @str1='z'set @Result=@Result + 's'
if @str1='b'
if @cnt = @strLen
if substring(@str,(@cnt - 1),1) <> 'm'
set@Result=@Result + 'b'
else
set@Result=@Result + 'b'
if @str1='c'
if @str2 = 'ch' or substring(@str,@cnt,3) = 'cia'
set@Result=@Result + 'x'
else
if @str2in('ci','ce','cy')and@strp<>'s'
set@Result=@Result + 's'
elseset@Result=@Result + 'k'
if @str1='d'
if substring(@str,@cnt,3) in ('dge','dgy','dgi')
set@Result=@Result + 'j'
elseset@Result=@Result + 't'
if @str1='g'
if substring(@str,(@cnt - 1),3) not in ('dge','dgy','dgi','dha','dhe','dhi','dho','dhu')
if @str2 in ('gi', 'ge','gy')
set@Result=@Result + 'j'
else
if(@str2<>'gn') or ((@str2<> 'gh') and ((@cnt + 1) <> @strLen))
set@Result=@Result + 'k'
if @str1='h'
if (@strp not in ('a','e','i','o','u')) and (@str2 not in ('ha','he','hi','ho','hu'))
if@strp not in ('c','s','p','t','g')
set@Result=@Result + 'h'
if @str1='k'
if @strp <> 'c'
set@Result=@Result + 'k'
if @str1='p'
if @str2 = 'ph'
set@Result=@Result + 'f'
else
set@Result=@Result + 'p'
if @str1='s'
if substring(@str,@cnt,3) in ('sia','sio') or @str2 = 'sh'
set@Result=@Result + 'x'
elseset@Result=@Result + 's'
if @str1='t'
if substring(@str,@cnt,3) in ('tia','tio')
set@Result=@Result + 'x'
else
if@str2='th'
set@Result=@Result + '0'
else
if substring(@str,@cnt,3) <> 'tch'
set@Result=@Result + 't'
if @str1='w'
if @str2 not in('wa','we','wi','wo','wu')
set@Result=@Result + 'w'
if @str1='y'
if @str2 not in('ya','ye','yi','yo','yu')
set@Result=@Result + 'y'
end
set @cnt=@cnt + 1
end
RETURN @Result
END
K e i t h H e n r y
Edited by - khenry on 03/06/2002 06:41:15
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May 11, 2006
Hi
We have an application we are developing that will run worldwide. When we are searching data for peoples names I would like to use Soundex but I am not sure it works effectivly for any language other than English. Does anyone know if it is effective in Dutch, German, French etc?
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May 11, 2006
Hello,
I need to compare movie names from two systems. In both systems these names are entered manually by operators. I would like to compare them and give a rating on how close these names are equal.
Stripping special characters, and spaces is just not enough. It can happen that they key in sligthly different names. I've tried to use soundex but as we have over 15000 movie titles over the years i'm getting to many equal soundexes to use this as a comparison key.
Any ideas if there are techniques to do this ...
Kind Regards
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Feb 19, 2007
Hi thereI have this query in a stored procedureSELECT * FROM Product WHERE FREETEXT (*, @SearchString )When I run the query with the @SearchString = 'hoover' it return values but if I spelt it wrong (eg: hover) I have no value returnMy question is, How can I use the SOUNDEX in a full text searchRegards
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Oct 8, 2015
I need DIFFERENCE('Kolton','Colton') to equal 4 rather than 3.
But SOUNDEX keeps the first letter of the word:
SOUNDEX('Kolton') = K435
SOUNDEX('Colton') = C435
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Oct 8, 2007
Is there a built in capability in Sql server 2005 to do a search which can handle spelling errors. for eg.
We are doing a search for "hanovr" and our database contains "hanover" . In cases when there is a spelling error searching using LIKE,CONTAINS,FREETEXT are not giving me the results. Is there an out of the box solution for this problem.
Please Advice.
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Jan 23, 2006
How do I do a fuzzy search? If I have a table of full names, I'd like the user to be able to do a search and find the record, "Charles Montgomery Burns" with "Monty Burns" or "Montgomry" (mispelling).
Every major web site does this kind of thing (Amazon, Google, etc).
Someone suggested SOUNDEX, but this really doesn't fit the bill. Misspellings often don't use the same sound signature as the originals. Plus, that doesn't handle multi-word searchable texts very well.
Others have suggested tries or suffix trees. If I went this route, wouldn't I have to preload all data out of the database and into this custom structure upon app startup? Is there any way around that? Also, this solution seems like it would require a lot of dev time (building a custom suffix tree with fuzzy lookup capabilities).
Is there a commonly known and acceptable solution to this?
(sorry, also posted to MySQL group; I'm using both databases so a solution in either would be satisfactory)
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Feb 16, 2007
Hi,
I am using a fuzzy lookup to cleanse data from a sales line details table, during the import process. The sales order line details contains a filed called 'reference' and this is compared to a field called 'category' in another table.
Using data viewers to check through the cleansing process, I notice that the fuzzy lookup doesn't seem to match i.e.
tbl.salesline.reference = 'I3' -> tbl.sales.category ='I03'
the above is OK, but the lookup also returns the following
tbl.salesline.reference = 'I9' -> tbl.sales.category ='I01'
The value I9 doesnt exist, and is miskeyed by user entry, and should have been 'I99'. I would have expected the fuzzy lookup to pickup the I99 value as at least two of the chrs are matching, but no, it picks the first 'I*' in the table.
If I expand the fuzzy lookup to return more results, i.e. 5 per record, then it returns the first 5 results....I01, I02 I03 and so on.
Is there a way of improving the fuzzy lookup itself?
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Nov 12, 2007
Hi all, I have been trying for a while now to clean some data that containes duplicate data using fuzzy grouping. I can get as far as identifying the duplicate data using fuzzy grouping but how do I get it out so I can insert non duplicate data a dimension table1?
What I am also stuck with is how do u set the data that isn't duplicate in the table1 as well, or is this done in the same step. Please help, deadlines are creeping in on me
Thanx for your time.
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Feb 6, 2008
The enterprise edition of SQL server includes some advanced BI features, for example the fuzzy lookup feature of IS. If the IS package lives on an enterprise edition of SQL server and the database the package it is targeting lives on a standard edition of SQL server can the advanced features be used? Can you run a fuzzy look against a database on a standard edition of SQL server when th IS package lives on an enterprise edition of SQL server? THANKS!
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Jan 19, 2007
Hi Friends,
Can some body briefly explain me what is the difference between fuzzy lookup and fuzzy grouping?
thanks and regards
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Oct 3, 2007
A column in my database contains phrases such as "Extreme Golf: The Showdown" or "Welcome to Happy Land". I need to write a search engine so that users could type in phrases such as "Golf Extreme Showdown" or "Happy Land" and the correct, or closest matched results will be returned. I don't need variations of words, just phrase keyword match based search. I know I could do this by using multiple LIKE %% statements OR'd together, but this would be too performance intensive. So, I have heard I should use charindex somehow to achieve this in a stored procedeure. Does anyone have any clue how to solve this problem? Thanks!
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May 25, 2007
Hi,
Could someone please help!
Im doing a fuzzy lookup based on 3 fields (Surname/DOB/Gender). The only difference between the two sets of data is the case of the first letter of the Surname.
Reference table has "Stuart" Lookup has "stuart", I have set Fuzzy Lookup Input for Surname to Ignore Case but still it won't match.
The DOB/Gender are Exsactly the same.
Why does this not work? I there a work around?
Many Thanks, Deano
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Oct 16, 2005
I am using the Sept CTP, I am doing a fuzzy grouping on 1.5Mil records.
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May 16, 2006
I am trying to run a SSIS package that contains a fuzzy lookup. I am using a flat file with about 7 million records as the input. The reference table has about 2000 records. The package fails after about 40,000 records with the following information:
------------------------
Warning: 0x8007000E at Data Flow Task, Fuzzy Lookup [228]: Not enough storage is available to complete this operation.
Warning: 0x800470E9 at Data Flow Task, DTS.Pipeline: A call to the ProcessInput method for input 229 on component "Fuzzy Lookup" (228) unexpectedly kept a reference to the buffer it was passed. The refcount on that buffer was 2 before the call, and 1 after the call returned.
Error: 0xC0047022 at Data Flow Task, DTS.Pipeline: The ProcessInput method on component "Fuzzy Lookup" (228) failed with error code 0x8007000E. The identified component returned an error from the ProcessInput method. The error is specific to the component, but the error is fatal and will cause the Data Flow task to stop running.
Error: 0xC0047021 at Data Flow Task, DTS.Pipeline: Thread "WorkThread0" has exited with error code 0x8007000E.
Error: 0xC02020C4 at Data Flow Task, Flat File Source [1]: The attempt to add a row to the Data Flow task buffer failed with error code 0xC0047020.
Error: 0xC0047039 at Data Flow Task, DTS.Pipeline: Thread "WorkThread1" received a shutdown signal and is terminating. The user requested a shutdown, or an error in another thread is causing the pipeline to shutdown.
Error: 0xC0047021 at Data Flow Task, DTS.Pipeline: Thread "WorkThread1" has exited with error code 0xC0047039.
Error: 0xC0047038 at Data Flow Task, DTS.Pipeline: The PrimeOutput method on component "Flat File Source" (1) returned error code 0xC02020C4. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing.
Error: 0xC0047021 at Data Flow Task, DTS.Pipeline: Thread "SourceThread0" has exited with error code 0xC0047038.
-------------------------------
I have tried many things - changing the BufferTempStoragePath path to a drive that has plenty space, changed the MaxInsertCommitSize to 5,000...
What else can I do?
Thanks!
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Mar 8, 2006
Fuzzy lookup seems to be causing some problems to me. It seems to work at times and doesn't at other times. It would work a couple of times fine and give me the desired results but then without changing anything in the dataflow or the data the next few times it would not run at all and fail the pre-execute of the.
Now I'm currently getting the following error:
[Fuzzy Lookup [248]] Error: An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Login timeout expired". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections.". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Named Pipes Provider: Could not open a connection to SQL Server [233]. ".
[DTS.Pipeline] Warning: A call to the ProcessInput method for input 249 on component "Fuzzy Lookup" (248) unexpectedly kept a reference to the buffer it was passed. The refcount on that buffer was 2 before the call, and 1 after the call returned.
[DTS.Pipeline] Error: The ProcessInput method on component "Fuzzy Lookup" (248) failed with error code 0xC0202009. The identified component returned an error from the ProcessInput method. The error is specific to the component, but the error is fatal and will cause the Data Flow task to stop running.
Any help would be appreciated.
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Oct 18, 2006
Hi
I get the following error when I use Fuzzy Lookup in a Data Flow task with TransactionOption property set to €śRequired€?
[Fuzzy Lookup [61]] Error: An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Cannot create new connection because in manual or distributed transaction mode.".
When I Change the TransactionProperty to €śSupported€? it works fine.
I need the property set to Required for it does an undo in the event of a failure.
Any ideas on how to get the Fuzzy Lookup to work
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Nov 14, 2007
I managed to get fuzzy grouping working. The relevant output (_key_in and _key_out) are stored in a new table that is a copy of the old table + fuzzy grouping columns.
How do i get SSIS to store the _key_in and _key_out in the original table?
The new matching column _key_out refers to the new key: _key_in. How could i get SSIS translate that to a matching column that refers to my original key?
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Jan 12, 2006
Hello,
I am just wondering if someone out there has tried some Fuzzy matching on databases of large scale i.e - about 20 million contact records. Suppose I wanted to perform matching/ grouping to 10 000 incoming messages. How fast does this usually take? What is the dependence on the number of fields chosen for the match?
Any insight is greatly appreciated,
Lubomir
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Aug 2, 2007
hi focks,
WHAT IS THE USE OF Fuzzy Grouping IN SSIS
and please give me the example
regards
koti
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Sep 30, 2007
I have a Fuzzy Lookup in a Data Flow Task that is performing a simple text match based on a data view in SQL Server.
I keep obtaining the error below and I have no idea why. Is there a minimum number of rows required in the view in order for the lookup to work properly?
When I take the Store/Manage Index options off the lookup seems to work properly.
Thank you!
[Fuzzy Merchant Lookup [2832]] Error: SSIS Error Code DTS_E_OLEDBERROR.
An OLE DB error has occurred. Error code: 0x80040E14.
An OLE DB record is available.
Source: "Microsoft SQL Native Client"
Hresult: 0x80040E14
Description: "A .NET Framework error occurred during execution of user-defined routine or aggregate "sp_FuzzyLookupTableMaintenanceInstall": System.Data.SqlClient.SqlException: Error number 8197 is invalid. The number must be from 13000 through 2147483647 and it cannot be 50000.
System.Data.SqlClient.SqlException:
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.SqlInternalConnectionSmi.EventSink.DispatchMessages(Boolean ignoreNonFatalMessages) at Microsoft.SqlServer.Server.SmiEventSink_Default.DispatchMessages(Boolean ignoreNonFatalMessages)
at System.Data.SqlClient.SqlCommand.RunExecuteNonQuerySmi(Boolean sendToPipe)
at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
at Microsoft.SqlServer.Dts.TxBestMatch.TableMaintenance.RaiseErrorId(SqlCommand cmd, FltmErrorMsgId MsgId, FltmErrorState State, SqlServerSeverity Severity)
at Microsoft.SqlServer.Dts.TxBestMatch.TableMaintenance.ReportErrors(SqlCommand cmd, ExceptionType Type, String ErrorMessage, FltmErrorMsgId MsgId, FltmErrorState State, SqlServerSeverity Severity, SqlErrorCollection errors)
at Microsoft.SqlServer.Dts.TxBestMatch.TableMaintenance.TranWrap(DataCleaningOperation c)
at Microsoft.SqlServer.Dts.TxBestMatch.TableMaintenance.ServerInstall(String etiTableName) .".
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Aug 31, 2006
Is it possbile to have multiple fuzzy lookup within a data flow?
I need to have at least 3 fuzzy lookup in a data flow. Here're the conditions that I try to find match: 1=Zip&City, 2=Zip&State, 3=City&State. I've the first fuzzy lookup working fine. After that, I've a conditional split to get any unmatch, then use another fuzzy lookup for a second condition...at this point, I get the error saying "The package contains two objects with duplicate name of output column _Similarity..." I do not need to get the _Similarity and _Confidence, so is there a way to exclude them from returning in the output?
Any comments?
Thanks in advance.
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Jun 16, 2006
Hi everyone,
Ive just started looking at the Fuzzy Lookup feature and i think i must be getting something fundamentally wrong. I have two tables - each contain different meta data representations for a set of potentially similar documents. The only chance i have of matching a document in table A to a document in table B is a common title field. However, manual input means that the titles may differ in both tables although they are potentially quite similar in most cases.
In the lookup i get to specify the output columns from table B (Reference) which is fine, but i don't seem to get to choose the columns from table A that i would also like to see. So my output shows me all the documents from table B that it thinks are similar to ones in table A...but not identifying which record it's similar to.
I initially thought that the "pass through" columns that i identified would appear in the output - but this does not seem to be the case.
I must be using it incorrectly, but i have no idea how to progress with this apart from creating a new source table (C) which is a full outer join of table A and B - and then also using table C as the reference table, but that seems madness.
any help would be appreciated - ta
Andrew
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Nov 15, 2007
Hi all
I've been doing some research and running some PoCs on using the Fuzzy Lookup Transformation (FLT) and had two questions:
1) When you choose to have a maximum of 1 output returned for each input, does FLT pick this output based on the best (highest) similarity and confidence scores or the first one it finds?
2) Why does FLT not support dynamically setting properties such as ReferenceTableName or MatchIndexName?
Any help or guidance with this is greatly appreciated.
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