On behalf of the Program Committee (PC) and the Organizing Committee (OC) we hereby extend our cordial invitation to participate in the SUNBELT XXI International Sunbelt Social Network Conference between 25 and 29 April 2001 in Budapest, Hungary. The Hungarian capital is the sixth European city hosting an International Conference on Social Networks after Sitges (1998), London (1995), Munchen (1993), Paris (1991), Groningen (1989).

The
International Network for Social Network Analysis (INSNA)
Hungarian Sociological Association

PROGRAM COMMITTEE (PC)
Endre Sik (TARKI, Social Research
Centre)
Tom A.B. Snijders (University of Groningen)
Frans Stokman (University of Groningen)
Robert Tardos (Research Group for Communication Studies of
the Hungarian Academy of Sciences at Eotvos Lorand University)
ORGANIZING COMMITTEE (OC)
Fruzsina Albert (Hungarian
Academy of Science, Institute of Sociology)
Endre Sík (TARKI, Social Research Centre)
Robert Tardos (Research Group for Communication Studies of
the Hungarian Academy of Sciences at Eotvos Lorand University)

Clustering Network
Data
Cognitive Networks
Corporate and Inter-organizational Networks
Data Mining
Developments in
Network Methods in the 1990's
Diffusion of Innovations
Evolution of Social
Networks
Infectious Diseases
and Social Networks
Networks and Game
Theory, Network Exchange
Networks in East
Asia
Networks in Politics and Public Policy
Network Sampling Issues
Networks on the
Web
Personal Community
Networks
Scholarly Networks
Social Capital
Social Support
Statistical Methods
for Social Networks

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Tom
A.B. Snijders: "The analysis of longitudinal social network
data." Cost: $30 Free for students and participants from countries in transition and developing countries. Longitudinal social network data are understood here as two or more (repeated) observations of a directed graph on a given node set (which may range up to about 100 nodes). This workshop teaches a statistical method to analyse such data. The statistical model used for the network evolution allows various network effects (reciprocity, transitivity, balance, popularity, etc.) and effects of individual covariates (connected to the sender, the receiver, or the similarity between sender and receiver) or network covariates. This model can, but does not need to, be interpreted as an actor-oriented model where the nodes are actors whose choices determine the network evolution. Further information about this method, including references and a JAVA demo, can be found at web site http://stat.gamma.rug.nl/snijders/siena.html The statistical analysis is based on Monte Carlo simulations of the network evolution model and therefore is a bit time-consuming. The method in itself is rather complicated. In other aspects, the computer program is quite user-friendly. The workshop starts with a brief explanation of this network evolution model and then goes on with an introduction to the use of SIENA, a computer program which carries out the statistical analysis and StocNet, the windows shell in which SIENA is embedded. Various examples will be presented. Further information can be obtained from Tom Snijders. |
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Barry Wellman: A Non-Technical
Introduction to Social Network Analysis This workshop introduces the underlying philosophy of social
network analysis. It sketches the history of the paradigm, identifies
its principles, distinguishes between whole network and ego-centered
network research, and provides an overview of basic research
methods, including block-modeling, clustering, and egocentric
approaches using standard statistical packages such as SAS. It
reviews highlights of substantive research in a number of areas
(including community analysis, social support, intercorporate
relations, politics, migration, and world-systems). |
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Stephen Borgatti
and Martin Everett: Introduction to the Analysis of Network Data Cost: $100 $50 for students and participants from countries in transition and developing countries. A beginner's tutorial on the concepts, methods and data analysis techniques of social network analysis. The course begins with a general introduction to the distinct goals and perspectives of network analysis, followed by a practical discussion of network data, covering issues of collection, validity, visualization, and mathematical/computer representation. We then take up the methods of detection and description of structural properties such as centrality, cohesion, subgroups, cores, roles, etc. Finally, we consider how to frame and test network hypotheses. An important element of this workshop is that all participants are given a demonstration version of UCINET 5 for Windows, KRACKPLOT and PAJEK software, which we use to provide hands-on experience analyzing real data using the techniques covered in the workshop. Participants also receive a set of detailed exercises (with answers). In order to participate fully in the workshop, participants should bring laptop computers & extension cords so that they can run the analyses on their machines at the same time that they demonstrated by the instructors. Contact the instructors at Stephen Borgatti and Martin Everett |
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Marcel van Assen, Siegwart Lindenberg,
and Frans Stokman: Microfoundations of Social Networks The one-day workshop will consist of lectures, presentations,
hand-on exercises, and discussions. Within this micro-macro perspective,
the following topics will be addressed: |

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Jose Luis Molina,
Carlos Lozares y Alejandro Garcia: El analisis de redes sociales
en Espana y Latinoamerica: situacion actual y perspectivas Cost: free El objetivo de esta sesion de trabajo es presentar una vision del conjunto de las contribuciones existentes en castellano y las investigaciones en marcha, asi como proponer y discutir iniciativas de desarrollo para el futuro. |

Wednesday, 25 April
Workshops and
spanish session 09.00 - 12.30 and/or 14.00-17.30
Welcome reception 19.00-21.00
Thursday, 26 April
Sessions 09.00-10.30
Coffee break 10.30-11.00
Sessions 11.00-12.30
Lunch 12.30-14.00
Sessions 14.00-15.30
Coffee break 15.30-16.00
Sessions 16.00-17.30
Keynote speech
18.00-19.00
Conference dinner (optional) 20.00-23.00
Friday and Saturday, 27-28 April
As on Thursday without keynote speech and Conference dinner
Sunday, 29 April
Departures

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18.00-19.00 |
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A |
"Mathematics and Social Networks: A Happy Marriage or a Brief Affair?" |

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Microfoundations of Social Networks |
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B |
"The analysis of longitudinal social network data." |
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C |
Non-Technical Introduction ... |
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D |
Introduction to the Analysis of Network Data |
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E |
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A |
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of Innovations |
Game Theory, Network Exchange |
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B |
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Mining |
and Public Policy |
in East Asia |
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C |
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Community Networks |
Network Methods |
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D |
for Social Networks |
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Sampling Issues |
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Diseases and Social Networks |
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F |
Network Data |
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HOST CITY
The Hungarian capital, Budapest, known as the "Pearl of the Danube", is a bustling city in the heart of Europe, with over two million inhabitants. Its two halves are Buda and Pest. Buda, on the right bank of the Danube, has hills and valleys, and has for centuries been the administrative centre of the country; it was formerly the royal seat. On the left bank, Pest has grown into a large, busy and modern city, spreading out on to the plains.
VENUE
The Agro Hotel Conference Centre is located on Svab Hill, the highest point of Buda Hills. Green environment, clean air, unique panorama of the capital and the nearby forest trails offer a wide range of sports and recreation. The downtown can be easy reached by car (15 min.) or by public transportation (30 min.).
In 1997 Agro Hotel Conference Centre won the third prize of "The Greenest Hotel in Hungary".
ARRIVAL IN BUDAPEST
Most participants will arrive at the Budapest Ferihegy Airport. The simplest means of transportation to the Hotels (or any other place in Budapest) is via minibuses. This door-to-door Airport Minibus Service is reasonably priced (approx. 6 USD) and is much more reliable than taxis.
A Railbus Service operates from the three major Railway Stations, with approximately the same conditions as the Airport Minibus.
OFFICIAL LANGUAGE
The official language of the Conference is English. No simultaneous translation will be available.
VISAS
Visitors from European countries, except Albania and Turkey, are not required visas. Participants from a few overseas countries, however, will need a visa.
BANK, CURRENCY, CREDIT CARDS, MONEY EXCHANGE DESK
The unit of currency is the Hungarian
Forint (HUF), denoted as "Ft" by the Hungarians.
International credit cards (AmEx, EC/MC, Visa) are accepted at
most hotels, restaurants and shops. ATMs are available at the
Airport and all over the city (1 USD is approx.310 HUF)
INSURANCE
The Organizers of the Conference do not provide insurance and do not take responsibility for any loss, accident or illness that might occur during the Conference or in the course of travel to or from the meeting site. It is, therefore, the responsibility of the participants to check their coverage with their insurance provider.
WEATHER
Hungary is in the temperate zone, the April weather is usually nice but sometimes rainy. Daily temperatures range from 15oC to 20oC (59oF to 68oF), and the relative humidity is below 50%. However, the evenings may be chilly so a jacket is recommended.

REGISTRATION FEES
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before 25 February 2001 |
after 25 February 2001 |
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| Regular INSNA members |
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| Regular non-members |
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| Students |
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The registration fees include:
¨ Admission to the scientific program (except workshops)
¨ Abstracts
¨ Refreshments during the coffee breaks
¨ Welcome reception
Important notice:
- Authors actually presenting the papers must register for the Conference no later than 25 February 2001 (the deadline for early registration), otherwise their papers will automatically be cancelled.
REGISTRATION AND HOTEL RESERVATION FORM

ACCOMMODATION
| Hotels and rates* |
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| Hotel Agro*** (conference hotel) |
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| Hotel Olympia** |
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* The room rates include all the taxes and buffet breakfast.
** Hotel Olympia is situated 5 minute-walking distance from Hotel
Agro. Limited number of rooms is available.
Important notices:
- If no credit card is available hotel
booking will be arranged after having received the registration
fee.
- The accommodation fee has to be paid directly to
the Conference Secretariat at the registration
on the spot.
REGISTRATION AND HOTEL RESERVATION FORM

In the case of bank transfer the proof of remittance should be sent (preferably by fax: +36-1-386-9378) to the Conference Secretariat.
To enable the organizers to identify payments, you are kindly
requested to make sure that the name of each Conference participant
is clearly indicated on all documents.
Please, note that
- payments sent by bank transfer must be free of charges for the
SCOPE Meetings Co. Ltd.
- the cut-off date for early registration (25 February, 2001)
will be strictly enforced.
CONFIRMATION
Registration will be confirmed
by the Conference Secretariat only upon receipt of the completed
registration form with credit card information or the proof of
remittance.
Please bring the confirmation with you to the Conference for presentation
at the Registration Desk.
CANCELLATION
Requests for refunds of the registration fee (less 20% administration
charge) will be honored only if they are received on or before
25 March, 2001. No fee will be refunded in case of cancellation
requests received after that date or in case of non-attendance.

Eva Thiry
SCOPE Kft
Kende u., 13-17.
H-1111 Budapest, Hungary
Fax: +36-1-386-9378
E-mail: thiry@sztaki.hu