-
Internet of electronic information
resources
development and
utilization
The
development
and
utilization
of
Internet
richness
of
the
electronic
information
resource,
which
can
be
directly
consider
E-mail,
file
transfer,
Telnet
approach,
also
can
indirectly
consider
using
several
common
information
retrieval
tool,
the
paper
made
a
detailed
introduction
and
analysis,
aims
to
help
help
user
well
using
the
Internet.
For
information
institutions
or
library
is
concerned, to learn and use well, not
only can enlarge Internet information resources
development
and utilization of the
scope, but also able to enhance the level of
service to users.
Keywords
Internet electronic information resources
development and utilization
Exploitation andUtilization of
Electronic Information Resources on Internet
-
The
Internet
can
be
extensive
communication
in
the
world
every
person,
connect
all
the
computer
and provides a wealth of information resources,
and provide A variety of service tool to
obtain these resources. Information
institutions or libraries in the Internet for
information resources,
retrieval
electricity The son journals and newspapers,
orders and electronic publications, retrieval
online
catalogue
and
union
catalog,
a
searchable
database
system,
access
journals
to
discuss,
through
the
file
transfer
(FTP)
receiving
documents.
So
we
can
use
Internet
richness
of
the
information resources to expand its
collection, still can use directly these
information resources to
carry on the
information retrieval consulting services. In
searching available in the email, database
retrieval,
file
transfer,
remote
login,
and
information
query
tools
etc.
In
order
to
enrich
the
exploitation and
utilization of Internet information resources, the
author thinks that should through
the
following ways.
1 directly use the
Internet
E-mail (hereinafter Email)
Electronicmail,
E-mail is a based on computer network
to store, forward form various data, images, and
exchange information in words of
exchange System, sending and receiving and
managementare in computer Internet
E-mail systems management software. Email
software generally provide teleport,
browse, storage, transfer, delete, restore E-mail
and the reply, and other functions, can
match a communication, also can spread, each
user has a particular coding mailbox,
can
with any users online information
transmission, spontaneous since the
received or forwardingletters. User simply
equipped with a modem, a telephone
lines and thcorresponding communication
software, can in any part of the
microcomputer with communication phase even on
sending and receiving information, to
realize communication. Email take storage,
forwarding way, open E-mail program is
adopted, the web server machine online way
24 hours working around-the-clock,
always receive emails from all of the world, no
matter what, when and where will the
computer connected server only, can scoop out
your E-mail. Need to send electronic
information, users first the arbitrary length of
letters for its input computer plus
addressee address, and send button, the
information
being sent to the
information high male road. On the other side of
the addressee open
a computer,
information will be sent into his E-mail, can be
read. Through E-mail can
access the
Internet richness of the database and files
resources. But on the Internet use
E-mail to the other party requests,
told to want borrowed books or want to copy a in
the journal papers. Users can also use
E-mail to information institutions (or library)
rapporteur retrieval request, will soon
be in the home received E-mail sent back the
retrieval results.
via E-mail to obtain information
resources of several ways
(1) what service
(2) information service
Provide consulting services, get all
kinds of information resources on the network.
Internet information service center
compiled the Mail server (E-mail Erver), so as to
let the user's query the information
they provide. Archie server to send an email,
the mail service Device will
automatically read, analyze mail, and will execute
commands in the results by E-mail sent
users. When the user wants to nets the
specific information service center
inquires the material, can be directly to the
center send an contains a series of
electric information query command son Mail,
the center's Mail server (E-mail erver)
of procedures will automatically collect read,
analyze received E-mail of life makes,
then for users to search, retrieval results by
E-mail sent back to the user E-mail.
(3) electronic Bulletin
Board system (Bulletin Board ystem, abbreviation
BB)
The electronic bulletin board
content includes news, notification, conference
news,
composition, the latest weather
conditions, the telephone directory and so on, can
to a group of users, and not a single
user provide telecommunication services, 24
hour at all times to located in the
world of a group of people to transmit
information,
is the information
communication is a very effective tool.
(4) user group discussion
group) (i.e. User group
(Mailing List)
is in accordance with the different project
organization, attract the
world 56,936
or have a common interest Old people to the
discussion, exchange
views. To become a
discussion group members, users need to apply a
panel
discussion of the principal
(usually send an electronic mail), he (she) name
was
included in the recipient list,
then duly received networks offer letter interest,
the
user can his ideas entry computer,
transmitted to other members of the group inside,
so everyone may at any time, any place
engage in conversation. In a foreign country,
by E-mail for academic discussion
already commonly, the same professional or
related field experts, scholars between
academic discussions and information
exchange. Join or exit the group of
users only to the relevant E-mail send an
containing have join (by) or exit
(unsubscribe) the E-mail address.
(5) electronic journal (EJournal)
Subscriber may through
email to E-mail server @ RTFM. MIT. Edu address
can be
checked to the electronic
periodical catalog and their E-mail address, email
addresses to it issued to order the
whole of periodicals or ordering the related
articles in the journal letters. There
are many online free of electronic journals, as
long as you apply for subscription,
subscription publications will automatically send
to you
Electronic mailbox.
(6) online meeting
Electronic conference in time and place
of great flexibility, although lacking
attendees mutual infection, but for
travel
Fee less groups
speaking, have certain appeal.
library
or information institutions using email approach
(1) information consulting
services
For readers
request access to the literature material, ask
knotty problems, find the
latest
information, when library cannot be resolved, they
can make E-mail outside
other
information or advice, turn to deal with them.
2) information retrieval
service
OCLC and DIALOG
system, etc. By E-mail way for users provide query
and retrieving
service always respond
to user All of the information required, and
user's
requirements to a user's
literature deliver E-mail.
(3) provide online sdi intelligence
services
E-mail system,
user use online inter-library loan system (ILL),
first in the unity on
the cataloguing
books information retrieval, then choose 1! 5
housed the
bibliography, sends out the
library borrowing
Book
apply, Receive borrowed request of library via
E-mail take each other need
literature
transmission in the past.
(5) book purchasing and newspapers and
periodicals order
Many
books wholesalers and publishers and set up their
own electronic ordering
system, used
for the transmission of various books trade
File, data and information,
ordering personnel want to use based on the
systematic
terminals, can get from all
over the world from the book information such as
E-mail.
(6)
literature material exchange business,
(7) collect user opinion
(8) to release a new books catalogues,
news and notice
through
Email realized on the various service with
Internet access service
provided
(1) through Email do FTP,
(2) by Email do Archic;
(3) by Email do Gophcr;
(4) by Email do Veronica,
(5) by Email do Usenet;
(6) by Email do WAI
retrieval;
(7) by Email do
WWW,
(8) by Email do
Finger,
(9) by Email do
WHOI;
(10) by Email to do
the other services.
File Transfer
Protocol (FTP Protocol File, abbreviation) '
Is stored in
the remote computer system of documents access
tool. Need to user
login user name and
password files Sharing agreement. According to the
FTP access to
resources can be
considered a special library (or information
center), at any time to
each take place
Need, but not limited to place, also need not
dependent on inter-library
loan. In any
between two computers to transmit data
(documents), it is to use Elihu
access
Internet rich resources important method. File
transfer protocol of the basic
operation steps:
?
and file transfer protocol
clothing Affairs editor on-line, # login each
other host,
?
find necessary files; % definitions are send files
the type; & access files,
?
exit The other system. Document
transmission, the first login to the other
computer,
just can undertake and file
search, transmission related operation, such as
the following
documents directory,
change the current document catalogue, set
transport
parameters, transfer files
etc, using FTP can obtain any field letter
interest resources,
still can obtain
thousands of computer program software.
The FTP connection only
being used for searching and transmit various
documents,
and usually is the
literature of full text, allows users to nonlocal
calculation In-flight file
transfer to
this unit hosts, and then set of records to
oneself of micro computer reading,
printing, or other processing. In the
file transfer process, user once found useful
information, can immediately they
retrieved, sets of record and print them out.
130 Telnet (Telnet)
This is in the
TCP/interconnection Protocol (Transission Control
Protocol/Internet
Protocol,
abbreviation TCP/IP) of communication protocol
terminal agreement Telnet,
under the
support of user's computer through Internet nets
temporarily become one
Sets the remote
computer terminal process. Users first in Telnet
command given in the
remote computer's
communication domain name or IP address, but
according to the
other system after the
inquiry, the key in the user name and password. In
the remote
computer user, the first to
become ubiquitous tasseled legitimate user, and
have
corresponding account number and
password. Remote login step: with the other
system online;
?
# login each other department ile,
?
decide
oneself
use terminals, in order to complete simulation
type network terminal display
data, %
of all kinds of resources to the other system
using, & exit each other. Once the
user
login successfully, can be real-time use remote
computer opening of all resources.
It
is unnecessary to consider how far is from another
country, users of computer system
as
connected next door, through remote system as
easily as recorded connection, you
immediately AD and can search Princeton
university library online public readers, as if
you were in use directory of the school
an online directory public readers terminal. Use
this function to use the remote
computer on the information resources, to realize
information sharing, and can make the
information processing. Scientific computing,
thus greatly expanded their available
resources.
2 the indirectly
USES the Internet
If well track of the
information network, find appropriate database,
grasp well
below the network
information inspectionCable tools can be easier,
fully, more
effectively on the Internet
queried and available information resource.
information query software Gop er
April 1991 by the university of
Minnesota's earliest development of a menu-driven
interactive type retrieval software,
then browse in readers retrieval Internet on the
various information resources. Will all
kinds of information resources according to the
hierarchical menus forms are properly
described later to give users access, From top to
bottom layers, thus accessing the menu
was necessary information. Will the user
requests automatically converts FTP or
Telnet command, it's common functions are:
search text files, The user's query
recorded, Call FTP access integrated FTP
functions, use Telnet or can be
directly obtained menu-driven documents.
Veronica (2.2 VeryEasyRodentOriented
leads to a Computerized Arc ives) retrieval
System This is a based on the pace of
Gopher information retrieval system, to Gopher
pace menu further index. User input
retrieval words, the system will searching out all
containing the search term menu items.
Veronica tell users you find food single shown
below (documents describing levels).
Can retrieve out and retrieval model matching
menu, so that the user can be directly
enter phase shut menu, get necessary
information.
Jug
ead
The basic function and Veronica is
same, also be retrieval Gopher pace system of a
kind of tool, Veronica's search
rangeAre the Gopher pace, and Jughead only check
Gopher pace is a particular area.
global information nets WWW
(Web) number
1992 by European particle
research center (CERN) launched the based on a
super
text (Hypertext) multimedia
letterCoupon retrieval or query tool, is a menu
type
browsing tool, is the tree
structure, the user can through cadres menu
listWay, inquires
into his the
information she needed. Using the WWW can not only
visit Hypermedia
(Hypermedia)
organization, and informationAnd still can visit
Gopher, WAI, FTP, Archie
and Usenet on
the various information, and can obtain X500
andWhois and other
network directory
services. It will be located at Internet at
different sites related
literatures,
data and information organically plait knit
together, the use requirements,
but
only put forward inquires where and how to query
is composed of query WWW
automatically.
The WWW searchable online with nearly all of the
information resources,
namely a link on
the Internet computers in zentraedi, WWW software
worldwide
information immediately
illustrated to appear vividly eyes, even with
sound color
animation or films, videos
slice. Library users can be collected in today's
world, WWW
various hypertext
literature, to build a virtual library. WWW
retrieval tools (retrieval
earch
search) many, such as Yahoo is an excellent
collection Engine, can be
said to be a
huge libraries of directory room, their web site
is: HTTP: / /
; 1996 mid-may Hong Kong
optimal couplet grams international Co.,
LTD launched high intelligence
collection of Chinese Goyoyo, inquires the
material when
engine, can according to
its classification project retrieval, may also
directly enter the
keywords to find
necessary Chinese material, quite convenient,
their web site is:
http://WWW. Goyoyo.
Com.
Arc ie document query
system
By Canada MCGILL university
develops, allow the user to enter a through may
appear in the key needed database
nameWord on the Internet to inquires resources.
User input keywords, Archie can be
automatically query online documentation, and will