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Contents 1 D-FOAF Working Group summary 1.1 Articles 1.2 Documentation 1.3 Group activities 1.3.1 Metodologies 1.3.2 General project stages 1.3.3 Detailed task list

D-FOAF Working Group summary

This document describes tasks and activities performed for the 'Group project'. Work has been supervised by prof. Henryk Krawczyk and Sebastian Kruk.

During the two semesters the group developed enhancements in the FOAFRealm project, new modules for both FOAFRealm and Jerome Digital Library, documentation papers and articles. Since character of the project has been defined as research, a lot of efforts has been focused on articles and architecture. Besides the research and implementation the team also created and maintained major websites for developed products.

Final versions of created products are successfully deployed in a number of places, including http://library.deri.org and http://www.wbss.pg.gda.pl/.

Articles

• Sławomir Grzonkowski, Adam Gzella, Henryk Krawczyk, Sebastian Ryszard Kruk, Francisco J. Martin-Recuerda Moyano, Tomasz Woroniecki "D-FOAF - Security Aspects in Distributed User Management System", TEHOSS 2005
• Sebastian Ryszard Kruk, Stefan Decker, Adam Gzella, Sławomir Grzonkowski "Social Semantic Collaborative Filtering for Digital Libraries", JoDI (submitted, waiting for the review comments) -> print ver.
• Sebastian Ryszard Kruk, Sławomir Grzonkowski, Adam Gzella, Tomasz Woroniecki "FOAFRealm/D-FOAF: Distributed User Profile Management System based on Social Networking", ESWC2006 (submitted, waiting for the review comments)
• Sebastian Ryszard Kruk, Sławomir Grzonkowski, Adam Gzella, Mariusz Cygan "Digi Me - Ubiquitous Search and Browsing for Digital Libraries", to be submited on MoSO 2006 (in preparation)
• Hee Chul Choi, Sebastian Ryszard Kruk, Sławomir Grzonkowski, Katarzyna Stankiewicz "Trust Models for Community-aware Identity Management", to be submited on IRW 2006 (in preparation)
• Sławomir Grzonkowski, Sebastian Ryszard Kruk "HYPERCUP - A UNIVERSAL SOLUTION FOR COMMUNICATION BETWEEN WEB APPLICATIONS", we are looking for a suitable conference to submit(almost done)

Documentation

• HyperCuP - State of art
• Sesame analysis (SesameJoined) -> print ver.
• (...)
• digime - Mobile FOAFRealm Client - specification (Specification) -> print ver.
• digime - Mobile FOAFRealm Client - project (Project) -> print ver.

Group activities

Metodologies

Za słownikiem języka polskiego: nauka o metodach badań naukowych, o skutecznych sposobach dociekania ich wartości poznawczej. Więc trochę nie rozumiem co tu miałoby być.

Documentation	All software project documentation was created using UML standards.
Implementation	FOAFRealm/D-FOAF system was created using Java language and J2EE platform

General project stages

Semester	Stages
8	Preliminaries Feasibility analysis Security analysis Planning Implementation
9	Implementation Testing System start-up System maintanance

Detailed task list

For more details about following task please see the D-FOAF Technical Report. Tasks are grouped by project stages.

No.	Stage	Time of realisation	Task	Products and task description	Evaluation/Notes	1.	Preliminaries	III-IV 2005	Installation of the JeromeDL and FOAFRealm application	Installed JeromeDL system with FOAFRealm ver. 1	Operation needed for work continuation
2.	Feasibility analysis	IV 2005	Use of Sesame as RDF Storage (analysis document)	Document describing Sesame RDF Storage. Main features and application components. Possibilities to utilize the system in JeromeDL and FOAFRealm. Installation guide	Current FOAFRealm system utilize Jena RDF storage, which was very unrealiable and unstable. In described document we analysed if introduction of another RDF storage (Sesame) would be cost-effective and how eventually change Jena to Sesame.
3.	Security analysis	V-VI 2005	Security in distributed profile managment system	Analysis of system security issues and article (See "Articles") describing it's results.	-
4.	Planning	X 2005	J2ME client for D-FOAF (Digime) specification	Specification created. (see Documentation part)	Digime was planned to be developed after main D-FOAF implementation. It is a client type application and it uses D-FOAF services, so it requires D-FOAF to be full functional
5.	Planning	XI 2005	J2ME client and SOA layer Project	Project created. (see Documentation part)	(See pt. 4. Notes.)
6.	Implementation	V 2005	RDF Storage Wrapper	Developing the RDF Storage (Sesame) wrapper - layer which provides transparent access to storage with connection pool.	Implementation of service module which will be utilized by both FOAFRealm and MarcOnt portal
7.	Implementation	VII 2005	Integration with HyperCuP	Integration of the FOAFRealm code with HyperCuP. Create possibilities to develop distributed FOAFRealm functions	First stage of making FOAFRealm distributed.
8.	Implementation	VII 2005	Distributed authentication	Enabling distributed authentication. Connecting two or more instances of FOAFRealm using HyperCuP P2P network. Making possible to log into server being registered on other (within the HyperCuP network) one.	-
9.	Implementation	VII 2005	Distributed profile merging	Enabling merging user profile in one place. After successful login user could gather all distributed (within HyperCuP network) data in one place	-
10.	Implementation	VIII 2005	Distributed computing of distance and quantisation level between users	Checking the relationship between user in distributed environment	-
11.	Implementation	VIII 2005	SSCF Domains of interest manager	Creating a domain of interest manager (importing, changing the interest level) service and example implementation (which is a part of JeromeDL project	Service module of FOAFRealm. Generally used by JeromeDL
12.	Implementation	XII 2005	J2ME client for FOAFRealm - Digime	Implementation of FOAFRealm/D-FOAF client done on J2ME platform. Extended MIDlet communicating with D-FOAF SOA using WebServices	(See pt. 4. Notes.)
13.	Implementation	IX 2005	Generic D-FOAF SOA	Implementation of D-FOAF SOA (Service Oriented Application). Layer with it's services covers almost whole D-FOAF functionality. Along with new session control feature it offers clear and simple interface which could be used to develop variety of software clients.	-
14.	Maintenance	VIII 2005 - II 2006	Code maintenance	Fixing code bugs.	-

8	Concept/Planning	HyperCuP	HyperCuP state of art document that also considered possibilities of extending with web services	Operation needed for future tasks
8	Development	Sesame integration	Switching RDF storage library from Jena to Sesame.	-
8	Development	HyperCuP Lightweight Implementation	Communication layer takes advantage of web services	-
9	Development	HyperCuP Lightweight Implementation	The previous work has been extended with broadcast implementation.	-
9	Development	Bookmarks categories	Implementing bookmarks with categories and Word Net descriptions.	-
9	Development	Improving security issues	Possibility to sign profile information (especially sensitive, distributed foaf:knows) with DSA algorithm	-
9	Development	Extending user profile	additional fields for storing multiple emails, phone numbers, nickname have been added	-
9	Development	Implementing new profile and security features in JeromeDL	The digital library features have been enriched	-
9	Maintenance	Set up new project	HyperCuP Lightweight Implementation project has been set up	-
9	Maintenance	FOAFRealm project website	FOAFRealm project website - http://www.foafrealm.org and we prepared the content	-
9	Maintenance	HyperCuP project website	HyperCuP project website - http://www.hypercup.org and we prepared the content	-
9	Maintenance	Cluster project website	Corrib.org project website - http://www.corrib.org and we prepared the content	-