Transcript Powering dissemination

Disseminating statistics: Internet and Publications
INSTITUTO NACIONAL
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ESTADÍSTICA
Madrid, 3-5 March 2008
Powering dissemination
• Accessibility
• IT tools
• Other interesting topics
Powering dissemination : Accesibility, IT tools ...
European
Statistical
Training
Programme
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ESTP
Accessibility
But
For
For
The
what
your
your
movie
about
…eyes
eyes
goes
websites?
only
only?
…
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Index
Evolution
Some definitions and a fact
Norms and laws
Accessibility testing tools
Accessibility comparison results
Possible approaches to increase accessibility
INE website accessibility improvements
Some useful links
Conclusion
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Evolution
·
·
To disseminate SOME
statistical information
First,
humanityMORE
evolved ... to the Internet
age information
To disseminate
statistical
·
To disseminate ALL
statistical information
·
To disseminate FREE
statistical information
·
To disseminate SORTED
statistical information
·
To disseminate BILINGUAL
statistical information
·
To disseminate ATTRACTIVE
statistical information
·
To disseminate COMPLETE
statistical information
.
To disseminate ‘SWIVELized’(Civilized?)statistical information
Then the evolution of statistics dissemination in the web began
And now, it may be the moment to increase the dissemination of
ACCESSIBLE
statistical information
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Some definitions and a fact
Wikipedia: Web accessibility refers to the practice of making
websites usable by people of all abilities and disabilities. When sites are
correctly designed, developed and edited, all users can have equal access
to information and functionality
W.H.O. : E-Accessibility, is the ease of use by people with disabilities
of information and communication technologies (ICTs), such as the
Internet. Web sites need to be presented so that disabled users can access
the information
European Union Site: eAccessibility is about:
- using ICT to overcome traditional barriers,
- making sure that ICTs are not creating barriers themselves
The Fact:”Worldwide, over 750 million people are
affected by some type of disability”
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More about ‘The fact’
“The Mission of ReadSpeaker (founded in Uppsala,
Sweden, in 1999
is to make the "miracle of the Internet" accessible for
dyslexics, people with learning disabilities, low literacy
level, people with English as a second language, elderly with
impaired vision and others that like to listen as well as read.
These groups represents more than 20% of the population
in most European countries and are also an untapped part
of the market for online commerce, online banking, etc.”
http://www.readspeaker.com/
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Norms and laws
1.- Web Accessibility Initiative (WAI)
http://www.w3.org/WAI/
2.- UNITED NATIONS to focus on improving web access,
technology standards for persons with disabilities
http://www.un.org/esa/socdev/enable/iddp2006.htm
3.- Communication from COMMISSION OF THE
EUROPEAN COMMUNITIES to the Council, the European
Parliament, the economic and social Committee, and the
Committee of Regions. Brussels, 13.09.2005
http://ec.europa.eu/information_society/activities/einclusion/d
ocs/access/cec_com_eacc_2005.html
4.- Americans with Disabilities Act
http://www.census.gov/prod/2006pubs/p70-107.pdf
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Testing Google homepage (1)
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Testing brightness, and contrast (colour difference)
(http://www.accesskeys.org/tools/color-contrast.html)
Results
Brightness is
OK, but not
enough contrast
Tested website
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Testing contents with http://www.tawdis.net/taw3/cms/en
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Testing Google homepage (2)
Results.
(lower) Priority 1=A
2=AA
(higher)
3=AAA
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Testing our
R
E
S
U
L
T
S
sites (using same test)
Dissemination Statistics : Internet and Publications
HOME
WEB
SEARCH ENGINE ( 'CPI' )
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A
0
21
0
0
16
2
2
0
4
0
4
3
17
3
46
4
0
2
1
2
43
0
AA
11
339
24
0
155
2
24
59
44
158
42
112
545
7
215
24
0
41
892
202
154
2
AAA
1
101
7
14
19
5
2
3
5
9
17
12
149
0
42
13
6
1
78
21
78
3
A
2
5
0
0
6
0
0
4
0
2
2
16
1
25
4
0
1
1
1
31
0
Total: 22
32%
9%
5%
33%
Google.com
0
18
3
AA
6
7
22
1
39
11
Not available
54
17
123
45
61
526
37
92
25
4
11
750
80
125
0
5%
AAA
2
1
6
11
7
4
3
3
7
18
11
136
9
23
9
2
1
53
14
68
0
5%
SITEMAP
A
0
2
0
0
AA
7
6
15
1
Not available
0
2
Not available
52
158
5
17
0
129
1097
3752
3
57
16
669
1
63
24
99
4
23
0
3
5
10
1
1145
2
81
43
175
0
74
35%
'A' in Home+Search+Map: 5 (22) =
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5 Sites with those 3 pages accessible
0%
AAA
1
1
5
10
2
9
3
7
442
6
125
16
23
8
0
1
50
14
71
6
5%
23%
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Possible approaches to increase accessibility (1)
http://es.wikipedia.org/wiki/Wikiproyecto:Wikipedia_grabada
•“Blind or visually-impaired persons can use screen readers, but these programs are
still far from being as accurate as human reading” ( and very expensive too).
•“Spoken articles make the Wikipedia accessible to persons who understand a
language but are unable to read it.”
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Possible approaches to increase accessibility (2)
European Commission site: Listening to the screen texts, saving an
audio file, and a special printable layout
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Selecting visual styles (colours, contrast)
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Possible approaches to increase accessibility (3)
http://www.seg-social.es/inicio/?MIval=cw_usr_view_Folder&LANG=6&ID=40247
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Possible approaches to increase accessibility (4)
Spain’s Organization for the Blind ( www.once.es)
Changing colours and contrast
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Possible approaches to increase accessibility (5)
CEAPAT (site only in Spanish) http://www.ceapat.org/accesibilidad.do
Accesskeys or keyboard shortcuts
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Possible approaches to increase accessibility (6)
GOOGLE Custom Search Engine
(http://www.google.com/coop/cse/ )
‘Reading’ numbers for people with disabilities
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Possible approaches to increase accessibility (7)
Scottish Statistical office,
Statistics Denmark, ...
Easy fontsize change
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INE website. Accessibility improvements (1)
Accessible
common
header
Toolbar
Content section
Accessible
common
footer
Customisable toolbar for every section in our site
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INE website. Accessibility improvements (2)
Different sections but same header and footer, and different toolbars
(buttons, icons, logo, background colour) in order to increase our
website accessibility and usability
T
O
O
L
B
A
R
S
Listening option under implementation
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INE website. Accessibility improvements (3)
Search engine and language options available for most of our pages
Main options ( contact, favourites, sitemap) accessible by clicking on an icon
Listening option accessible via icons and accesskey
Easy fontsize change
Easy page printing
Accessibility page displaying keyboard
shortcuts ( accesskeys)
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New tool developed using SAPI 5
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INE website. Accessibility improvements (4)
Two languages using two different
voices
Possibility of generating .flv, .wav,
.mp3 files
Manually and automatically
converting different kinds of files,
especially text files, into sound files
Two dictionaries containing the
correct pronunciation for special
words, symbols or acronyms
The original voices can be tuned to
achieve a more ‘human’ sound
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•
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Some recommended links
WAI: Strategies, guidelines, resources to make the Web
accessible to people with disabilities
http://www.w3.org/WAI/
•
Complete List of Web Accessibility Evaluation Tools
http://www.w3.org/WAI/ER/tools/complete
•
Audio contents (links ordered by product price H -> L) :
Loquendo
http://www.loquendo.com/en/demos/demo_tts.htm
Readspeaker http://www.readspeaker.com/
Cepstral
http://www.cepstral.com/demos/
Sodeslscot
http://www.sodelscot.com/
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Accessibility
For your … eyes only?
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• IT Tools
• Other interesting topics
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Our principles with
regard to online
dissemination
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Guidelines for designing and maintaining INEbase
(common to our entire website) (1)
•
Our products are free of charge.
•
Availability of the maximum amount of information
possible.
•
Immediate publication on the website of disseminated
information.
•
Our information is bilingual, with this option existing on
almost all INEbase pages (with certain restrictions).
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Guidelines for designing and maintaining INEbase
(common to our entire website) (2)
•
Navigability (bookmarking) of our web pages.
•
Accessibility of our web pages (as far as is possible).
•
Dual-purpose in terms of target-audience (general public
and experts).
•
Compatibility with main O.S. and browsers.
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Guidelines for designing and maintaining INEbase
(common to our entire website) (3)
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Adherence to a corporate image common to all our
products.
•
Concentration of information (details, calendars,
methodology…) on an operation on the same webpage.
•
Inclusion of the search tool throughout almost all of
INEbase.
•
Minimise the number of ‘clicks’ necessary to reach an
item of information, and time taken to load webpages.
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Users our data is aimed at
Spanish
Non-expert
user
YES
English
Observations
YES
More
straightforward
text and tools
Adding methodologies
and statistical tools
Expert
People with
disabilities
YES
YES
Work in progress
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Accessible
content
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Storage system for online INE
statistical information
• All the information produced by the INE in electronic formats,
organised by subject
• Up-to-date and highly-detailed data. Also summaries. Annual data
and data in series format
• A wealth of methodological, descriptive data, ….
accessible from
the menu for each operation.
• Data from other bodies (Statistical System)
• European data (Eurostat)
• Aimed at all kinds of users (general, specialised)
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INEbase Structure. Directories and
files of which the system is composed
Different software applications browse
the thematic tree structure
The ‘Jaxi’ program is the data file and
results screen viewer.
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Trying solutions against phishing
“Phishing is an IT term referring to a type of criminal
activity group with fraud, and which is committed
by using the type of social engineering which by
nature attempts to fraudulently obtain
confidential information (such as a password or
detailed information regarding credit cards or
other banking-related information). The
fraudster, known as a phisher, masquerades as a
trusted person or company in what appears to be
an official electronic communication, usually in
the form of an email, or an instant messaging
system, or even via telephone calls”
1.- Informing...
2.- Detecting downloads from
‘suspicious’ IP’s
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NOTE: We endeavour to tackle phishing
As highlighted at http://www.internautas.org/html/4077.html
The following
message was
being sent:
Our webpage
The ‘phisher’s’ webpage
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Summary of part of what was
highlighted
At the INE, by the nature of how we work, we mainly use …
1. Two ways of storing data in our INEbase system
•
as Series: previously in Tempus, now in Tempus 2 (Oracle)
•
as Tables: PC-Axis files
2. Two ways of presenting/viewing (disseminating) stored information on
the website
•
in Series: previously in Tempus with a CGI script, now in Tempus 2
(Oracle) with a special software application (jsp)
•
in Tables: by means of a common “Jaxi” (JSP) development for
PC-Axis tables and for tables formed by Tempus 2 series.
NOTE: Information could quite easily be stored only as series, and
displayed only through tables.
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Development of
applications
In online software applications, we use:
•
J2EE Technologies
•
Data storage in an Oracle RDBMS
•
Platform used as a web server is Apache
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Elements (methodologies,
frameworks, libraries...) used
Online software applications :
•
Struts (is a support tool for developing Web applications under the
VCM template under the J2EE (Java 2, Enterprise Edition)
platform. Struts was developed as part of the Apache Software
Foundation Jakarta project, but is currently an independent
project known as Apache Struts)
•
JSF (JavaServer Faces (JSF) is a framework for Java applications
based on a website which aids user interface development in Java
EE applications. JSF uses JavaServer Pages (JSP) as the
technology enabling the layout of webpages, but it can also
accommodate other technologies such as XUL)
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Elements (methodologies,
frameworks, libraries...) used
Other elements used
•
POI (The POI project consists of APIs for manipulating
several file formats based on the Microsoft OLE 2
compound document format, using pure Java). We use it
for exporting to Excel.
•
PDFlib (PDFlib is an extensively-used program library,
which enables the programmer to generate and
manipulate files in Adobe format). We use it to generate
.PDF files
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Tools used
Software applications for internal use (Intranet)
Applications of this type are developed using
Visual Studio .NET
We currently have the 2005 version at the
INE
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Tools used
Internet/Intranet Applications.
Jbuilder for programming applications (Jbuilder is a Borland Java IDE –
Integrated Development Environment). This software was created in 1995
Toad for handling and designing data models. TOAD is an SQL and database
administration software application, regarded as a useful tool for Oracle
DBAs (database administrators). TOAD is available for the following
databases: Oracle Database, Microsoft SQL Server, IBM DB2, and
MySQL
Paessler Webstress for stress and load testing applications. This tool is
designed to realistically simulate several browsers requesting websites
from a web server. It may be used to gather information on the
functioning and user stability of a Web application, firing requests from a
single machine
XMLspy as an editor and generator of XML applications
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A look at some sophistications to
round off this subject
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Eye tracking
It is a sophistication, but we can also design our website with prior
knowledge of which parts of it our users look at, concentrate on, and
those parts they don’t bother reading
This is a hot topic which has been the subject of many recent
international meetings. In summary we will look at some conclusions
from one of the studies carried out:
(http://www.alt64.com/eyetrackingmedia/patron_de_navegacion.php ).
According to Wikipedia (http://en.wikipedia.org/wiki/Eye_tracking)
“Eye tracking consists of measuring the point being focused on, or eye
movement in relation to head movement”
According to ( http://www.xperienceconsulting.com/servicios.asp?ap=27
), 'Eye Tracking' is a non-intrusive, yet highly accurate means of
analysing pupil movement
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Different scanning patterns, by sex of persons, or by order of loading of
page elements
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Eye tracking
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Eye tracking
If a title (without white space) is followed by the content or news
summary (lead), the users reads it all, whereas if a space is left between
both sets of content, the user skips over that section. Also the catchiness
of the initial words of the aforementioned title determines whether or not
the person reads on.
(http://www.alt64.com/eyetrackingmedia/entradillas2.php)
Keywords: certain words attract the attention of certain users. These
words are not read in the context of the article, but are perceived
through lateral vision. Detection of those words halts the scan for the
person to decide whether or not the subject is of interest.
The majority of subjects looking at advertisements looked, among other things,
at the banner at the top of the page, where there was one
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Eye tracking
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Useful links
1.
Wikipedia article:
•
2.
Website of a Spanish company dedicated to this subject (very interesting
study and conclusions):
•
3.
http://www.alt64.com/extras/Eyetracking_Media_Espana.pdf
An English-speaking company:
•
5.
http://www.alt64.com/eyetrackingmedia/
Previously mentioned comprehensive study:
•
4.
http://en.wikipedia.org/wiki/Eye_tracking
http://www.eyetracking.com/
Another English-speaking company:
•
http://www.enquiroresearch.com/
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Natural Finder http://www.bitext.com/natural-finder.asp
Statement by the manufacturer: “NaturalFinder is the essential complement
to any Internet or intranet search facility: it enables natural-language
look-ups (Spanish or English), without the need to use operators only
suitable for advanced users (Boolean, wildcards...). Thanks to linguistic
technology, the user concentrates on writing the look-up in his or her
own language, as if asking another person”
Search text examples:
•
I want information regarding transportation of dangerous goods by road
•
I need data on exchanging one position for another
•
I want information regarding high technology public examinations
•
Current law on rural leases
•
I want information on public works in Majorca
•
Information on taxes in Poland
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Natural Finder
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http://www.bitext.com/natural-finder.asp
Our verdicts after trying it out:
•
We managed to change the search tool, adding ‘empty’ words (some verbs,
prepositions, adverbs...) for them to be removed before searching the index.
For example: ‘I want the national cpi’ would return the same links as
‘national cpi’
•
Natural Finder would not be able to search any of the important areas of
our site, for example Tempus2
•
The cost(time and money)/benefit relationship was not to our advantage
•
Users have grown accustomed to searching in computer-speak, in other
words, not using perfect Spanish: ‘General National CPI’ rather than ‘I
want to know which was the General National CPI’. This means that they
would obtain the same thing by typing fewer words.
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•
AJAX (Asynchronous JavaScript And XML) :
1.
a new term to describe two browser capabilities which have been around for years,
but overlooked by many web developers:
•
The ability to query the server without needing to reload the page.
•
The ability to analyse and work with XML documents
•
http://developer.mozilla.org/es/docs/AJAX:Primeros_Pasos
2.
It stands for Asynchronous JavaScript And XML, which is a web development
technique for creating interactive applications. These are executed on the client side,
in other words, in users’ browsers, and run asynchronous communication with the
server in the background. In this way it is possible to make changes on the actual
page without having to reload it. This means an increase in page interactivity, speed
usability
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Other issues to be aware of and investigate (1)
•
Web 2.0 http://www.internality.com/web20/ “when we talk about the term Web 2.0, we
mean a series of applications and Web pages which use collective intelligence to provide
interactive network services giving the user control of his or her data”. Example of
statitical web2.0 experiences on following slide:
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-An extremely interesting application with OECD data and using the SDMX format
http://stats.oecd.org/nawwe/csp/default.html
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Other issues to be aware of and investigate (2)
-Curious example of SVG graphics for the British population pyramid:
http://www.statistics.gov.uk/populationestimates/svg_pyramid/uk/index.html
-Curious and overloaded clock with a whole host of indicators
:http://www.poodwaddle.com/worldclock.swf
-Well-presented page with names in the Swiss canton of Zurich :
http://www.statistik.zh.ch/vornamen/vorname.php?nam=&M=&F=&year=9999
-Appealing and useful European atlas from the Swiss :
http://www.bfs.admin.ch/bfs/portal/fr/index/international/02/statatlas_europa.html ( pinchar
'statatlas' )
-Interesting Swiss tool:
http://www.bfs.admin.ch/bfs/portal/en/index/international/laenderportraets/spain/blank/kennza
hlen/comparator.html
-Automatic website translation, by Google: http://www.google.com/language_tools?hl=en
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Other issues to be aware of and investigate (3)
The wayback machine (http://www.archive.org/)
Old version ( 1998)
Current version
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Other possibilities for improving the
performance of a website.
Akamai Servers
According to one distributor: “it is a revolutionary online content and
application delivery service which transforms the Internet from an
unreliable transfer medium, into a high-performance network.
The service makes it possible, with a simple change in the DNS, to
download at speeds between 2 and 10 times faster than the times
stipulated as normal, also guaranteeing a secure and reliable download. It
is based on the simple concept of replicating client server content on
Akamai and distributing it from the latter on the basis of certain criteria,
such as: geographical location, server availability, etc.”
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When on site : navigation and indices*
Up to 30% use the web
site navigation to find
the information they
are looking for.
As nearly 80% of all visitors come to a website by using
search engines, every page (not only the “Homepage”)
becomes a landing page.
Consequence: A clear, context oriented navigation is
needed and shows users the way. Indices may foster
orientation.
* Armin Grossenbacher FSO
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Things are moving faster than ever in dissemination*
Official Statistics
• has to make up its mind in disseminating, explore
new paths and opening new paths to users
• should never forget to manage its treasures, which
are not only high qualitative data but also big trust
gained over centuries
• needs an additional code about the usage of new
technologies and interacting
* Armin Grossenbacher FSO
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Disseminating statistics: Internet and Publications
INSTITUTO NACIONAL
DE
ESTADÍSTICA
Madrid, 3-5 March 2008
Powering dissemination
• Accessibility
• IT tools
• Other interesting topics
European
Statistical
Training
Programme
Thank you very much for your attention.
Any questions, please?
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