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Searchinform - Information search technologies

Information technologies have long settled insearch engines or by search-based pages that
the corporate sector. Its a rare thing forstarted working on this technology 15-20
the company not to have a well-organizedyears ago. Verity, iSYS and dtSearch
local network and various specializedcompanies, developing corporate search
software that would provide a proper controlsystems,  make  a  good  example.
of information flow, document storing and
information structuring with convenientSolutions
reports  about  the  work  process.
Modern search technologies are based on two
Information  Diversityroot processes: indexing of available
information and query processing followed by
Any companys information can be roughlydisplay of results. What concerns the former,
divided into three types depending on itsany program creates its own area of search.
virtual/ physical location and its use in theThat is, it processes documents and creates
work process. Starting with files from thethe index of those documents (an organized
user disk (plus electronic mail and logs ofstructure that contains information on the
various instant messaging programs, like ICQprocessed data). Later on this created index
or MSN Messenger) and on to the corporatewill be used by the program for quickly
information, the documents of different filegetting the list of documents relating to the
types & electronic mail (MS Exchange, forquery.
instance), or a file information archive on
the company server. And finally the data inLatest tests of software from dtSearch, ISYS,
various information systems: DMS, PDM, CRM,Verity, SearchInform and others have shown
etc. This may include everything from thetheir capacities to be quite amazing. The
system objects found in a file archive or inindexing speed was quite high (in some search
the database like MS SQL to externaltools it even reaches 30 Gigabytes an hour)
electronic messages and documents used in thewhile the size of created index remaining
work  of  the  system.small enough not to take up the whole of your
drive space (SearchInform, for instance,
Search?makes 15-30% of clean text information
volume).
Considering such a vast variety of
information, the conclusion follows that theYet the requirements dont stop there. As weve
problem of information search has latelyalready figured out, one of the critical
become that of high priority. Common problemsrequirements is a precise and
with information search are physical datasmoothly-running work with the local network.
volume, lack of proper organization of dataIn this case the corporate version of such
and a vast variety of file types containingtools as SearchInform, dtSearch, ISYS, Google
the needed data. As a result the demand forcan offer a client-server architecture,
perfect search and information processingindexing files from all accessible (and if
tools keeps growing. However besides searchtheres administrators permission in all)
management (whether its a file archive,folders on all the computers in the local
corporate electronic mail or documentnetwork as well as indexing and subsequent
management system), there is quite a numbersearch on all the connected network disks,
of other requirements that the corporateand user access management system based on
software has to comply with. This, obviously,NTFS authentication. That way the user can
includes working with local networks, whichonly search in the network resources that he
implies client-server software architecture;has permission to access. Of course its
compliance with information security policiespossible that when functioning in a big
and user access management; as well asenterprise certain laps will occur from time
working not instead of some already installedto time, but from the technical point of view
system, but rather with it, without violatingthere  are  no  complaints.
previously set business processes. Let us
look  more  carefully  at these requirements.The third main requirement concerns working
not only with the information on discs, but
Critical requirements to the corporatealso with other sources of data. Standard
softwarepackages of SearchInform and Verity for
instance, include ability to index and search
Ability to work with the local networkin MS Access databases. At that, the
implies client-server software architecture,procedure of connecting this data source is
flexible network policy settings, differentjust as simple as, say, work with the
types of operating system support, etc. Oneelectronic letters or mail clients: you only
of the latest trends is having aneed to select the data source (in this case
web-interface for the client part of theit would be MS Access database and show the
corporate software it rids of the problemsprogram which fields should be indexed or
of additional workstations when extending thesimply leave that to the program and itll
information structure. This version may beindex all the fields automatically). The
more expensive because when usingexample with Access is only a single case.
web-interface the number of workstations isIts more than enough for any enterprise to
unlimited. Yet the choice betweenorganize the search in all its information
web-interface and an independent clientunder  the  management  of  one  program.
program depends solely on the needs and
problems to be solved by the software beingNow lets look at the search capacities and
purchased.functions. First of all its the number of
supported file formats: most search engines
The next critical factor of search softwaresindex standard formats like txt, doc, rtf,
work within the company is compliance withhtml, CHM, Open Office etc.; a few also
the information security policies and accesssupport multimedia files (audio and video),
management. Any information system should bevarious specialized programmers formats, a
a structure with clearly defined channels ofdozen archive types and in logs of instant
information exchange both between the usersmessaging programs (MSN Messenger, ICQ,
and with the outside world. Thus anyTrillian).
corporate software must measure up to the
strict requirements of information security:Standard phrase search usually includes
user access differentiation, multi-levelsearch with due consideration to stemming and
access to different sorts of information,synonyms, fuzzy search (with mistakes) and
authorization system and a flexible structurephrase search or search by separate words
of the security policies adjustment dependingthat the phrase contains, search by
on  the  clients  query.attributes, etc. In reality the main features
that should be used are, of course, stemming
Another factor is the feature of corporatesearch  and  search  in  found.
software that lets you work with companys
previously installed software products ofHowever in each search tool there are some
various types. As it has already beenpeculiarities that shouldnt be left without
mentioned, the information in anydue attention. Copernic, for instance, offers
organization can be stored in files both onan interesting search system where the user
disc or in DBMS and in various informationcan select the type of file (graphics, audio,
systems (whether its PDM, CRM or anvideo etc.), enter search query and pick the
accounting program). That is exactly why thefeatures common only for that particular file
third feature of any information system istype. For instance, for audio files it might
the ability to function not instead of anbe the features of mp3 tags (singer, album,
already existing in the company software, butdata etc.), for graphics you can choose their
rather simultaneously with it. Its even moresize (by extension). Afterwards quite an
crucial for the corporate search engineextensive list of information appears in the
because organization of search from allresult window and if files of types different
companys information resources is the mainfrom your specification also happened to fit
goal of the nominal search softwarethe query, you can open them as well by
application.clicking  on  a  certain  link.
Search  FunctionsISYS Desktop offers templates for creating
index by folder: My Documents, Mail, Specific
Besides the listed requirements, which putFolder, Folder with the choice of file types
various search systems on the same level withetc. and if when creating your index you
the corporate software, there are alsochecked Folder with the choice of file types,
requirements to the functional capacities ofyou have an option of choosing types of files
this software. That is, directly to the mainfor manual indexing (by extension). The
functions of the program, responsible forprogram also lets you sort documents by
that very high speed and efficient search,certain criteria (by default they are sorted
the  demand  for  which  only  grows.by relevancy) and look thought already found
files selecting separate folders (especially
Firstly, the old generation of straightconvenient when the result displays a big
search (simple blind search) and searchnumber  of  documents).
strictly by document attributes is replaced
by the full-text search with a priorA unique feature of dtSearch is sound search,
indexing. Its more than convenient as itswhich is something totally untypical even for
faster even when the search process is aprofessional search engines. The main catch
dozen  times  more  complicated.is that the program will look for words that
sound similar to the query exceptionally
Secondly, its the support of different fileuseful when searching in recorded calls
formats (both widely used and specializeddatabase.
ones) as well as flawless work with various
types of DBMS, information systems etc. ThisSearchInform is known for its search for
list shouldnt neglect irreplaceable means ofdocuments similar in their content to the
electronic mail (TheBat! or MS Exchange, forquery text, so to say similar search. This
instance) and instant messaging programs liketype of search is a lot more intellectual
ICQ or MSN Messenger. Another must-havethan simple phrase search. In actual practice
attribute of a quality program is a set ofit helps solve quite a few problems, like
search features: various types of search (bythose related to the duration of the search
phrase or by separate words), search with duesession, for example (continuously having to
consideration to stemming and synonyms and sopick new keywords, looking over and over and
on and so forth. And, of course, specificallycomparing all the documents already existing
for the corporate sector with its giganticin the companys database to see whether there
volumes of information, high performanceare duplicates, etc.). The practice shows
speed (both in data indexing and in thethat combining simple phrase search and
search itself) are not just wants, butsimilar document search allows you to
needs.successfully and with a greater benefit apply
the full-text search software in information
Progress  looking  for  compromisesystems  from  DMS  to  ERP  and  PDM.
Now that we are clear on the requirementsAll in all, tools like dtSearch and ISYS
imposed on corporate search software, themostly target the average business, while
only thing left is to actually find a programSearchInform and Verity find their market
system that would meet these requirements.namely in the corporate sector. Copernic
Obviously, its impossible to satisfy all thedoesnt quite suit the corporate sector and is
needs without exception therell always bebest put to use on the home PC, so a speaking
black wholes, lack of functions, bugs, whichname of Desktop Search reserves the field of
will either have to be dealt with or covereddesktop search engines for it. Google is also
with add-on programs. Thus we can forgeta player on the market, although its
about the ideal, nothing stands still...thatdevelopers do not prioritize the corporate
which seemed perfect yesterday may very wellsector and their key area of development is
be  discarded  before  tonight  is  over.still  the  Internet  search.
In general, developments in the field ofThus there are quite a few solutions to
full-text search are in full bloom thesechoose from when solving the essential today
days: Internet leading (Google being theproblem of corporate search. Most of the
evidence) while the corporate sector ismentioned tools are able to live up and
catching up. All these developments aresatisfy at least the nominal demands of the
mainly conducted either by companies thatcorporate user; the game here depends on what
have recently developed into popular onlineit is you are looking for.



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