[Fwd: Zhenhua Guo's Practice talk]

-------- Original Message --------

Subject:	Zhenhua Guo's Practice talk
Date:	Mon, 29 Jun 2009 12:53:11 -0400
From:	Guo, Zhenhua <zhguo@indiana.edu>
To:	Marlon Pierce <mpierce@cs.indiana.edu>

Hi, Marlon  I would like to announce my practice talk Tuesday.  Title: Authentication and Authorization in Distributed Systems Where: Conference Room 100B, Showers When: Jun 30 (Tuesday), 2009, at 3:00pm Zhenhua Guo  Abstract  Security in distributed systems poses new challenges which are different from that of local security. Distributed systems consist of heterogeneous components in terms of hardware, operating systems, security policies and so on. How to construct security frameworks that have good scalability, user experience and interoperability is difficult. In my talk, I will survey some major efforts on authentication and authorization. For each of these two topics, several well-known projects will be discussed and compared. State-of-the-art authentication and authorization mechanisms will be presented and analyzed. Also identity federation will be discussed which aims to support data sharing data among identity management systems.  

Talk by Jaliya

Date: October 14th 2008
Time: 1.00 p.m.
Room: 100B

Title: Performance of Runtime Environments for Data Intensive Supercomputing

Abstract: Computation and data intensive scientific data analyses are
increasingly prevalent. In the near future, it is expected that the data
volumes processed by applications will cross the peta-scale threshold, which
would in turn increase the computational requirements. Two exemplars in the
data-intensive domains include High Energy Physics (HEP) and Astronomy. Data
volume is not the only source of compute intensive operations. Clustering
algorithms used in many domains such as biology and chemistry are especially
compute intensive even though the datasets are comparably smaller than the
physics and astronomy domains. Efficient parallel/concurrent algorithms and
implementation techniques are the key to meeting the scalability and
performance requirements entailed in such scientific data analysis. Most of
these analyses can be thought of as a Single Program Multiple Data (SPMD)
algorithm or a collection thereof. These SPMDs can be implemented using
different parallelization techniques such as threads, message passing,
map-reduce, and workflow technologies. Additionally, the direct and virtual
hardware environments create another dimension for the overall performance
of these applications. The goal of this research is to evaluate the
performance of various runtimes using real scientific applications on direct
and virtual hardware environments and understand how the features such as
scalability, fault-tolerance, and dynamic flexibility, provided by these
runtimes and the hardware environments can be used to improve the overall
performance of the scientific applications. Finally, I will use this
knowledge to derive a set of architectural recommendations for these
runtimes.

Thanks,
Jaliya

--
Jaliya Ekanayake
http://www.cs.indiana.edu/~jekanaya/
Phones Home:812-339-5418 Mobile: 812-606-0561 Lab:812-856-0758

[Fwd: Thesis Practice Talk on Monday(September 29,2008) 2:00-4:00 pm in Room 100B]

-------- Original Message --------
Subject: Thesis Practice Talk on Monday(September 29,2008) 2:00-4:00 pm in Room 100B
Date: Fri, 26 Sep 2008 11:15:31 -0400
From: Ahmet Topcu <atopcu@indiana.edu>
To: Marlon Pierce <mpierce@cs.indiana.edu>

Hi Marlon,

I will give my practice talk on Monday, September 29th at 2:00pm in
Showers Conference Room 100B.

Title: Integrated Collaborative Information Systems

Abstract:

The evaluation of the Web shows that people want to access information
easily, store them in a personal way, and share them with the others.
There are numerous tools and services built in recent years in different
categories having Web 2.0 capability. Examples include Social
Bookmarking Tools (YouTube, del.icio.us, Flickr,), Blogs (blogger.com,
Google Blog), Social Networking Tools (MySpace, LinkedIn), Web Search
Tools (Google Scholar, Windows Live Academic) other related tools. New
tools and services are built and open to the Web community continuously.
New blogs and data are published every second. The users of these tools
have the opportunity to use different tools and decide the best ones in
their perspective. Users don't need to know about the version of the
tools and services. However, having many tools in similar areas is a
problem. If a user wants to use some other tools, how can the user move
the data from the previous tool to the new tool? What if the user
decides to use similar tools in the same environment and compare
information at the same time? In other words, users should have a
flexible environment to use multiple tools at the same time. In the
current Web 2.0 domain, it is not easy to say that which tools and
services are the best because of the large number of existing tools and
the continuous development of new tools. We have defined integration
architecture to combine similar tools and use multiple services to user
community to solve this problem.

In this dissertation, we present integration model and its components
using web-accessible data and services and test application based on our
integration infrastructure to evaluate our solution. The architecture
have the following capabilities: (i) Tagging and linking of people
through uploading and downloading of information; (ii) Sharing
information; (iii) Supporting scientific research community; (iii)
Integrating the new tools as they are generated in a specific area; (iv)
Providing a dynamic environment in which the user can benefit from the
capabilities of different tools; (v) Allowing rich content. This
architecture also provides interchange standards for common metadata
format and provides structure for lowering the risk for user. This model
is motivated by the above concerns to provide flexible mechanism to
integrate similar Web 2.0 tools which have similar data model. We also
present evaluation of the system to demonstrate applicability of this
architecture integrating various search and annotation tools for
scholarly publications.

thanks,
Ahmet Topcu

Yum on gf12, gf14-gf19

The RHEL 4-based machines (gf12, gf14-gf19) now have yum installed in a useful form.

Thesis Practice Talk Thursday 3-5 pm

Fatih Mustacoglu will give a practice talk on Thursday, April 17th from
3-5 PM in Showers 100B.
*
Title: *Event-based Infrastructure for Reconciling Distributed
Annotation Records

*Abstract:* Information is spread all over the Web in various locations
including centralized repositories, web servers and user desktops.
Centralized repositories represent the old fashion techniques for
resource sharing, whereas completely decentralized systems such as P2P
systems allow users to share information without depending on a third
party repository. The necessities to find and share information led to
development of emergent Web 2.0 applications. These new Web 2.0
applications such as social bookmarking tools introduce a new way of
sharing information rather than the old fashion and P2P systems do.
Social bookmarking tools address the challenging problems of finding and
sharing information among small groups, teams and communities. Various
types of social bookmarking tools developed their own systems to support
different kind of resources. Flickr, for example, allows the sharing of
photos, del.icio.us the sharing of bookmarks, Bibsonomy, CiteULike and
Connotea the sharing of scholarly publications, YouTube the sharing of
video, and 43Things even the sharing of goals in private life. Social
bookmarking tools for sharing of scholarly publications among these
solutions are not interoperable with each other and they have
limitations for representing the complete metadata of scientific
documents and providing timestamp information for updated records.
In this dissertation, we present service enabled Event-based
Infrastructure to provide an efficient, scalable, flexible and modular
architecture to represent and reconcile metadata of scholarly
publications coming from various sources. The system utilizes
Event-based Infrastructure and adopts time-based and strict consistency
enforcement approaches to represent the content of scientific documents
located at several annotation tools consistent with each other with the
added metadata fields and capabilities. We also present an empirical
evaluation of the system to demonstrate applicability of this
architecture to handle with the issues that exist in the annotation
tools for scholarly publications.

Apache Httpd.conf Updates on Web Servers

The following MS Office 2007 formats should now be supported on grids and gf7 apache servers.

#
# The mod_mine module allows type-extension mappings
#
AddType application/vnd.ms-powerpoint.slideshow.macroEnabled.12 ppsm
AddType application/vnd.openxmlformats-officedocument.presentationml.slideshow ppsx
AddType application/vnd.ms-powerpoint.presentation.macroEnabled.12 pptm
AddType application/vnd.openxmlformats-officedocument.presentationml.presentation pptx
AddType application/vnd.openxmlformats-officedocument.presentationml.slideshow ppsx
AddType application/vnd.ms-word.document.macroEnabled.12 docm
AddType application/vnd.openxmlformats-officedocument.wordprocessingml.document docx
AddType application/vnd.ms-word.template.macroEnabled.12 dotm
AddType application/vnd.openxmlformats-officedocument.wordprocessingml.template dotx
AddType application/vnd.ms-excel.sheet.binary.macroEnabled.12 xlsb
AddType application/vnd.ms-excel.sheet.macroEnabled.12 xlsm
AddType application/vnd.openxmlformats-officedocument.spreadsheetml.sheet xlsx
AddType application/vnd.ms-xpsdocument xps

Thanks to Judy Qiu for this info.

gf9.ucs.indiana.edu shutdown

I shut gf9 down, will replace it in the Room 211 rack with new Polar Grid machines. I don't think gf9 is used for anything anymore but let me know if you see any problems. Gf9 was formerly used to serve up the old NPAC and FSU web sites mounted on rocky.ucs.indiana.edu, but these files now come directly from an Apache server on rocky.

Marlon