May 2009



Complex Adaptive Systems Symposium:

Association for the Advancement of Artificial Intelligence (AAAI) Fall Symposium

CAS and the Threshold Effect: Views from the Natural and Social Sciences.

Fall Symposium - Nov. 5 - 7, 2009 - Arlington, VA

Submission Deadline: May 29th, 2009

Description from the organizers:

Most interesting phenomena in natural and social systems include transitions and oscillations among their various phases.  Companies, societies, markets, and humans rarely stay in a stable, predictable state for long.  Randomness, power laws, and human behavior ensure that the future is both unknown and challenging.  How do events unfold?  When do they take hold?  Why do some initial events cause an avalanche while others do not?  What are the characteristics of these threshold phenomena that differentiate a sea change from a non-event?

Complex Adaptive Systems (CAS) have proven to be a powerful tool for exploring threshold phenomena.  We characterize a general CASmodel as having a significant number of self-similar agents that:  

  • utilize one or more levels of feedback;
  • exhibit emergent properties and self-organization;
  • produce non-linear dynamic behavior. 

Advances in modeling and computing technology have led to a deeper understanding of complex systems in many areas, and have raised the possibility that similar fundamental principles may be at work across these systems, even though the underlying principles may manifest themselves differently.

We therefore invite submissions from the community of CASresearchers that address the threshold phenomena in any of the Natural, Physical, or Social Sciences.  It is our belief that by bringing together researchers from diverse fields who study these complex systems, we can leverage a deep understanding of one domain to gain insight into others.

Read more about CAS Symposium

 

Also!

 


10th VAST International Symposium on Virtual Reality, Archaeology and Cultural Heritage:

 

 7th Eurographics Workshop on Graphics and Cultural Heritage

 

September 22-25, 2009, Malta

 

Submission Deadline: June 1st, 2009

Description from the organizers:

-Towards a “digital agenda” for the integration of technologies into Archaeology and Cultural Heritage-

 

Nearly every organization whose mission includes promoting access to cultural information, is well aware of the value of digital applications, and digital technologies are finding their way into cultural organizations. Nevertheless, a clear-cut division still exists between humanities researchers, computer science researchers, information scientists, librarians, and campus technologists, which prevents a complete achievement of the potential represented by the integration of these disciplines. Each community has distinctive practices, lingo, assumptions, and concerns. Understanding technology needs of the humanities, and more specifically of Archaeology, Libraries and Cultural Heritage, has particular relevance to the future of knowledge and education delivery, as well as, to develop shared technology services to enhance humanities research now and in the future.

 

The main goal of this VAST is to bring together professionals from all fields to start a true dialogue on CH needs and ICT solutions and achieve a true integration of disciplines. This VAST aims at disseminating the idea of a more systematic integration of digital practices in research and education programs for CH, exploring good practices, guidelines and skills development possibilities to structure long-term initiatives and move towards a “digital agenda” for Archaeology, Libraries and CH.

Read More VAST 09′

Sorry to all who may have visited during the extended black-out period.  I know… bad form.

So.  Predictive modeling in archaeology; always a hot topic.  I have been into this subject for a number of years now.  I have practiced various types of predictive/sensitivity/location/complete-guess-work models in an assortment of contexts.  You have to love a methodology that has no right or wrong outcome…  Anyway, I have been diving back into the topic lately because of interaction with various colleagues at the Computer Applications and Quantitative Methods in Archaeology 2009 Conference (Williamsburg, VA) and the subsequent reading of a few books and papers.

Basically, there are a series of works that are refreshing theoretically mature advances from the old and stale “predictive model”.  The authors of these volumes anPredictive Modelling for Archaeological Heritage Management: A Research Agendad papers and you readers may disagree that there was any sort of “modeling revolution” of late, but from my perspective, the published literature of the past number of years was getting a tad stale (perhaps my perspective is too often looking in the wrong direction?). However, there was great work going on and I want to mention two defining points in this whole story.  First was the 1992 Valletta Conference, aka the “Malta Agreement”, that led to the 1997 and 2001 versions of the Netherlands National Service for the Archaeological Heritage (ROB) created Indicative Map of Archaeological Values of the Netherlands (IKAW) [some information can be found here].  From the IKAW maps and related studies sprang a number of critiques and advancements from researchers such as Hans Kamermans, Martijn van Leusen, Philip Verhagen.

The second nick-point is Thomas G. Whitley’s Dissertation entitled, Dynamical systems modeling in archaeology A GIS approach to site selection processes in the Greater Yellowstone Region, 2000, University of Pittsburgh [abstract].  Whitley did not rest on his laurels following his dissertation, he has published and presented a number of advancements since 2000.  Many of these articles and papers are available on his companies website; Brockington and Associates Inc.  Put these works together and Whitley has developed a great and efficient method for building site location models upon cause-effect decisions with explanatory power.  While each paper is good it its own right, Whitley’s 2009 presentation of “Beyond the Marsh: Settlement Choice, Perception, and Spatial Decision-Making on the Georgia Coastal Plain” took his method, in my opinion, to a new level.  Certainly check it out for yourself!

Case Studies in Archaeological Predictive ModellingBack to the Netherlands side of things, many great articles and a few volumes are currently available or will be soon published.  Hans Kamermans, 2007 “Smashing the Crystal Ball.  A Critical Evaluation of the Dutch National Archaeological Predictive Model (IKAW)” [citation] is a great foundation and the Kamermans and van Leusen 2005 volume Predictive Modelling for Archaeological Heritage Management: A Research Agenda is fabulous [available here] .  Newer volumes include the repackaging of Verhagen’s dissertation on following works into Case Studies in Archaeological Predictive Modelling, 2007, Leiden University Press [available here] and coming on the horizon is the Kamermans volume Archaeological Prediction and Risk Management. Alternatives to Current Practice [soon to be available here].  In concert with these volumes, Kamermans and Verhagen have given numerous presentations on this topic; many of which at the CAA conferences.
This stream of literature from 2000 till now shows a sustainable acceleration in the theory and practice of archaeological site location modeling.  I fully endorse the view of van Leusen and Kamermans (2005:7) when they state:

Together, these chapters constitute the first volume dedicated to looking in detail at the theory and methodology of predictive cartographic modelling for archaeological heritage management since Judge and Sebastian’s seminal 1988 volume Quantifying the Present and Predicting the Past.

As you can tell, I find it all quite exciting.  Perhaps I am slow to the plate with some of these references, but taken together, this body of work is a defining shift in the direction established by Judge and Sebastian (1988).  A shift in the right direct in my humble opinion.

I could rail on all day about this topic, but I’ll save that for future posts ;) If you have any research or references you want to share, give me a shout or leave a comment.