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[Gzz-commits] journals/plans SA_2003.rst


From: Hermanni Hyytiälä
Subject: [Gzz-commits] journals/plans SA_2003.rst
Date: Tue, 13 May 2003 04:12:41 -0400

CVSROOT:        /cvsroot/fenfire
Module name:    journals
Changes by:     Hermanni Hyytiälä <address@hidden>      03/05/13 04:12:41

Modified files:
        plans          : SA_2003.rst 

Log message:
        reorg

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/fenfire/journals/plans/SA_2003.rst.diff?tr1=1.72&tr2=1.73&r1=text&r2=text

Patches:
Index: journals/plans/SA_2003.rst
diff -u journals/plans/SA_2003.rst:1.72 journals/plans/SA_2003.rst:1.73
--- journals/plans/SA_2003.rst:1.72     Tue May 13 03:57:25 2003
+++ journals/plans/SA_2003.rst  Tue May 13 04:12:41 2003
@@ -63,26 +63,6 @@
 
 Background and significance of the research
 -------------------------------------------
-  
-In several hypertext systems today, following a link means a *disruptive* 
change
-in the user's workflow, replacing the current context (e.g., a Web page) with 
an
-entirely different one. 
-This is partly caused by the dominant graphical user interface paradigm
-(developed in the 70s at Xerox PARC; see, e.g., [kay93smalltalk]_) in which 
*pages*
-are shown in overlapping, rectangular, unconnected viewports (windows).
-In this paradigm, following a link can only create a new window
-or replace the contents of the current window.
-In our opinion, this is one of the root causes 
-of hypertext disorientation 
-[edwards-hardman89lost-in-hyperspace]_
-[conklin87hypertext-onpage-38-40]_.
-
-Improving user orientation through user interface improvements has 
-recently received much attention. There have been much work
-on providing more context of the link destination or making 
-the transition less abrupt 
[zellweger98fluid-andalso-fc-zooming-andalso-schilit98digital]_.
-However, the underlying one-directionally linked hyperstructure of 
-the Web and many other hypermedia systems can also cause disorientation.
 
 .. We develop a system, named as Fenfire, which uses novel ways to control 
information 
    flow in the screen.
@@ -119,13 +99,34 @@
 
 To support data mobility, we have developed a software library, named as Storm 
 (STORage Module), for storing and retrieving data as immutable byte sequences, 
which 
-are identified by cryptographic content hashes. This allows for studying two 
important 
-issues *of data mobility*: dangling links and version management. We plan to 
use globally 
+are identified by cryptographic content hashes. With Storm, we plan to use 
globally 
 unique, semantic-free references for locating data in Peer-to-Peer 
environment. 
 Location-independent identifiers allows a peer-to-peer lookup system find 
documents 
-wherever they are moved. In addition, we believe that the properties of 
Peer-to-Peer 
-technology, such as the ad hoc connectivity and the lack of central authority, 
are 
-prerequisites while mobilizing our system.
+wherever they are moved. We believe that the properties of Peer-to-Peer 
technology, 
+such as the ad hoc connectivity and the lack of central authority, are 
prerequisites 
+while mobilizing our system. Additionally, Storm allows us to study two 
important 
+issues *of data mobility*: dangling links and version management. 
+
+In several hypertext systems today, following a link means a *disruptive* 
change
+in the user's workflow, replacing the current context (e.g., a Web page) with 
an
+entirely different one. 
+This is partly caused by the dominant graphical user interface paradigm
+(developed in the 70s at Xerox PARC; see, e.g., [kay93smalltalk]_) in which 
*pages*
+are shown in overlapping, rectangular, unconnected viewports (windows).
+In this paradigm, following a link can only create a new window
+or replace the contents of the current window.
+In our opinion, this is one of the root causes 
+of hypertext disorientation 
+[edwards-hardman89lost-in-hyperspace]_
+[conklin87hypertext-onpage-38-40]_.
+
+Improving user orientation through user interface improvements has 
+recently received much attention. There have been much work
+on providing more context of the link destination or making 
+the transition less abrupt 
[zellweger98fluid-andalso-fc-zooming-andalso-schilit98digital]_.
+However, the underlying one-directionally linked hyperstructure of 
+the Web and many other hypermedia systems can also cause disorientation.
+
 
 
 
@@ -223,7 +224,42 @@
 networks to find efficient methods for locating xanalogical media in a 
distributed 
 environment and to support ad-hoc team work. 
 
-       
+
+Structure and storage
+'''''''''''''''''''''
+
+Structure
+
+We perform research on the methods which allow the users to bring together 
+any information items they decide related, no matter which task the
+information originates from. We study structures in which data's relationships
+build connections in a hyperstructure. Our goal is to implement hyperstructure
+which should be easy to edit and navigate, and support deep linking (links
+do not break). Our ideology is based on Ted Nelson's ideas, i.e., Xanalogical 
+hypertext storage model.
+ 
+ 
+Storage        
+               
+Research on how location-independent identifiers can be used to find
+information in a Peer-to-Peer environment. To support our research work, we 
have 
+developed a software library, named as Storage Modules (Storm), which provides 
+the basis for storing (xanalogical) data to our system. Storm provides an 
alternative to 
+traditional file-based storage as all data is stored as immutable *blocks*. A 
block is 
+like a file but it cannot be changed, and instead of a file name it is 
identified by a 
+SHA-1 cryptographic content hash [fips-sha-1]_. Thus, identifiers are 
+location-independent and globally unique.
+      
+Research focuses on finding efficient methods for locating xanalogical media 
+using location-independent and globally unique identifiers from the 
Peer-to-Peer 
+network. Currently we use distributed hash tables for searching blocks 
+in a distributed environment, but the use of other Peer-to-Peer technologies 
are 
+also studied.
+   
+Our goal is to build a Peer-to-Peer system that allows one to perform a 
*global* 
+data lookups and fetch a block if *anybody* has published it in the Internet.
+
+
 User interfaces
 '''''''''''''''
 
@@ -282,43 +318,7 @@
 tested.
 
 The hardware algorithm for rendering the unique background textures
-currently uses ad hoc distributions in
-
-
-
-Structure and storage
-'''''''''''''''''''''
-
-Structure
-
-We perform research on the methods which allow the users to bring together 
-any information items they decide related, no matter which task the
-information originates from. We study structures in which data's relationships
-build connections in a hyperstructure. Our goal is to implement hyperstructure
-which should be easy to edit and navigate, and support deep linking (links
-do not break). Our ideology is based on Ted Nelson's ideas, i.e., Xanalogical 
-hypertext storage model.
- 
- 
-Storage        
-               
-Research on how location-independent identifiers can be used to find
-information in a Peer-to-Peer environment. To support our research work, we 
have 
-developed a software library, named as Storage Modules (Storm), which provides 
-the basis for storing (xanalogical) data to our system. Storm provides an 
alternative to 
-traditional file-based storage as all data is stored as immutable *blocks*. A 
block is 
-like a file but it cannot be changed, and instead of a file name it is 
identified by a 
-SHA-1 cryptographic content hash [fips-sha-1]_. Thus, identifiers are 
-location-independent and globally unique.
-      
-Research focuses on finding efficient methods for locating xanalogical media 
-using location-independent and globally unique identifiers from the 
Peer-to-Peer 
-network. Currently we use distributed hash tables for searching blocks 
-in a distributed environment, but the use of other Peer-to-Peer technologies 
are 
-also studied.
-   
-Our goal is to build a Peer-to-Peer system that allows one to perform a 
*global* 
-data lookups and fetch a block if *anybody* has published it in the Internet.  
+currently uses ad hoc distributions in         
                
   
 Hypotheses and research methods
@@ -397,31 +397,11 @@
 Timetable for the objectives
 ----------------------------
 
-.. raw:: latex
-
-  \begin{table}[h]
-  \begin{center} {\footnotesize
-  \begin{tabular}{|c|cccc|cccc|cccc|}
-  \hline
-  & \multicolumn{4}{c|}{2004} & \multicolumn{4}{c|}{2005} & 
\multicolumn{4}{c|}{2006} \\
-  Task & 1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 \\
-  \hline  
-  1. PhD & X &  &  &  &  &  &  & & & & & \\
-  2. PhD &  & X &  &  &  &  &  & & & & & \\
-  3. PhD &  &  &  &  &  &  & X & & & & & \\
-  \hline  
-  \end{tabular} }
-  \end{center}
-  \caption{Timetable for the objectives.}
-  \label{turns}
-  \end{table}
-
-
 - schedule and intermediate objectives for the research
    
-   Peer-to-Peer networking
-   Usability tests
-   Fenfire prototype 0.8
+  - Peer-to-Peer networking
+  - Perform more usability tests
+  - Fenfire prototype
 
 - objectives in researcher training
 
@@ -444,6 +424,27 @@
          or license these patents; we have an understanding
          that they will grant the GPL rights: this does not
          undermine their business interests.
+         
+.. raw:: latex
+
+  \begin{table}[h]
+  \begin{center} {\footnotesize
+  \begin{tabular}{|c|cccc|cccc|cccc|}
+  \hline
+  & \multicolumn{4}{c|}{2004} & \multicolumn{4}{c|}{2005} & 
\multicolumn{4}{c|}{2006} \\
+  Task & 1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 \\
+  \hline  
+  1. PhD & X &  &  &  &  &  &  & & & & & \\
+  2. PhD &  & X &  &  &  &  &  & & & & & \\
+  3. PhD &  &  &  &  &  &  & & X & & & & \\
+  Peer-to-Peer & X &  &  &  &  &  & & & & & & \\
+  Fenfire protype &  &  &  &  & X &  &  & & & & & \\
+  \hline  
+  \end{tabular} }
+  \end{center}
+  \caption{Timetable for the objectives.}
+  \label{turns}
+  \end{table}
 
 
 Performers of the research and resources
@@ -542,14 +543,16 @@
 
 - storm 
 
-                 - Saving data in permanent blocks, requiring
-                   less bandwidth, allowing access to earlier
-                   versions.
-                 - Distributed storage framework
+    - saving data in permanent blocks, requiring
+      less bandwidth, allowing access to earlier
+      versions.
+    - links do not brake
+    - data uniquess and immutability
+    - distributed storage framework
 
 - urn-5
 
-                 - registered URI scheme to our project
+    - registered URI scheme to our project
 
 - Object/document identity in user interfaces
 - P2P networking




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