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CODE4LIB  April 2009

CODE4LIB April 2009

Subject:

Re: Serials Solutions Summon

From:

Jason Stirnaman <[log in to unmask]>

Reply-To:

Code for Libraries <[log in to unmask]>

Date:

Tue, 21 Apr 2009 15:36:08 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (170 lines)

Agree. When you step outside libraryland and into corporate/enterprise
IT (thinking Autonomy, FAST, etc.) then "federated search" is often used
to refer to aggregated local indexing of distinct databases.

Jason
-- 

Jason Stirnaman
Digital Projects Librarian/School of Medicine Support
A.R. Dykes Library, University of Kansas Medical Center
[log in to unmask]
913-588-7319


>>> On 4/21/2009 at 12:56 PM, in message <[log in to unmask]>,
Jonathan
Rochkind <[log in to unmask]> wrote:
> I think I like your term "aggregated index" even better than "local 
> index", thanks Peter. You're right that "local" can be confusing as
far 
> as "local to WHAT".
> 
> So that's my new choice of terminology with the highest chance of
being 
> understood and least chance of being misconstrued: "broadcast search"

> vs. "aggregated index".
> 
> As we've discovered in this thread, if you say "federated search" 
> without qualification, different people _will_ have different ideas
of 
> what you're talking about, as apparently the phrase has been 
> historically used differently by different people/communities.
> 
> I think "broadcast search" and "aggregated index" are specific enough

> that it would be harder for reasonable people to misconstrue -- and 
> don't (yet?) have a history of being used to refer to different
things 
> by different people. So it's what I'm going to use.
> 
> Jonathan
> 
> Peter Noerr wrote:
>> >From one of the Federated Search vendor's perspective... 
>>
>> It seems in the broader web world we in the library world have lost

> "metasearch". That has become the province of those systems (mamma,
dogpile, 
> etc.) which search the big web search engines (G,Y,M, etc.) primarily
for 
> shoppers and travelers (kayak, mobissimo, etc.) and so on. One of the

> original differences between these engines and the
library/information world 
> ones was that they presented results by Source - not combined. This
is still 
> evident in a fashion in the travel sites where you can start multiple
search 
> sessions on the individual sites.
>>
>> We use "Federated Search" for what we do in the library/information
space. 
> It equates directly to Jonathan's Broadcast Search which was the
original 
> term I used when talking about it about 10 years ago. Broadcast is
more 
> descriptive, and I prefer it, but it seems an uphill struggle to get
it 
> accepted.
>>
>> Fed Search has the problem of Ray's definition of Federated, to mean
"a 
> bunch of things brought together". It can be broadcast search (real
time 
> searching of remote Sources and aggregation of a virtual result set),
or 
> searching of a local (to the searcher) index which is composed of
material 
> federated from multiple Sources at some previous time. We tend to use
the 
> term "Aggregate Index" for this (and for the Summon-type index) Mixed
content 
> is almost a given, so that is not an issue. And Federated Search
systems have 
> to undertake in real time the normalization and other tasks that
Summon will 
> be (presumably) putting into its aggregate index.
>>
>> A problem in terminology we come across is the use of "local"
(notice my 
> careful caveat in its use above). It is used to mean local to the
searcher 
> (as in the aggregate/meta index above), or it is used to mean local
to the 
> original documents (i.e. at the native Source).
>>
>> I can't imagine this has done more than confirm that there is no
agreed 
> terminology - which we sort of all knew. So we just do a lot of
explaining - 
> with pictures - to people.
>>
>> Peter Noerr
>>
>>
>> Dr Peter Noerr
>> CTO, MuseGlobal, Inc.
>>
>> +1 415 896 6873 (office)
>> +1 415 793 6547 (mobile)
>> www.museglobal.com 
>>
>>
>>
>>
>>   
>>> -----Original Message-----
>>> From: Code for Libraries [mailto:[log in to unmask]] On
Behalf Of
>>> Jonathan Rochkind
>>> Sent: Tuesday, April 21, 2009 08:59
>>> To: [log in to unmask] 
>>> Subject: Re: [CODE4LIB] Serials Solutions Summon
>>>
>>> Ray Denenberg, Library of Congress wrote:
>>>     
>>>> Leaving aside metasearch and broadcast search (terms invented
more
>>>>       
>>> recently)
>>>     
>>>> it  is a shame if "federated" has really lost its distinction
>>>> from"distributed".  Historically, a federated database is one
that
>>>> integrates multiple (autonomous) databases so it is in effect a
>>>>       
>>> virtual
>>>     
>>>> distributed database, though a single database.    I don't think
>>>>       
>>> that's a
>>>     
>>>> hard concept and I don't think it is a trivial distinction.
>>>>
>>>>       
>>> For at least 10 years vendors in the library market have been
selling
>>> us
>>> products called "federated search" which are in fact
>>> distributed/broadcast search products.
>>>
>>> If you want to reclaim the term "federated" to mean a local index,
I
>>> think you have a losing battle in front of you.
>>>
>>> So I'm sticking with "broadcast search" and "local index". 
Sometimes
>>> you need to use terms invented more recently when the older terms
have
>>> been used ambiguously or contradictorily.  To me, understanding the
two
>>> different techniques and their differences is more important than
the
>>> terminology -- it's just important that the terminology be
understood.
>>>     
>>
>>   

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