practi-O-web 2017

international workshop on

The practice of the open web

Welcome to the practi-0-web 2017

The aim of this workshop is to bring together researchers, practitioners, stakeholders and users of the Open Web, meant as a huge and easily accessible source of data, information and services. The focus of the workshop will be on practical engineering approaches (i) to design and develop open data and services on the Web (i.e., the Web seen as an output media of an organization's information system), on the one side, and (ii) to design and develop open source intelligence and retrieval techniques on the other side (i.e., the Web seen as input media of an organization's information system). We seek for papers describing practical engineering approaches, case studies, lessons learned, etc.

Latest news

2017-05-11 The workshop program is available

2017-06-05 Informal pre-proceedings available here


The workshop consists of two sessions where each presenter is assigned a slot of 20 minutes (including Q&A - suggested 15-17 minutes of presentation + 3-5 minutes devoted to Q&A).

08:00 - 08:30 Workshop registration

08:30 - 09:00 Workshop opening (Auditorium)

09:00 - 10:30 First session (Room 1)

09:00 - 09:20 Roberto Rodriguez-Echeverria, Javier Luis Cánovas Izquierdo and Jordi Cabot - Towards a UML and IFML mapping to GraphQL

09:20 - 09:40 Monica Scannapieco, Raffaella Aracri, Roberta Radini and Laura Tosco - Using Ontologies for Official Statistics: the Istat Experience

09:40 - 10:00 Lalit Sanagavarapu, Sourav Sarangi and Y. Raghu Reddy - ABC Algorithm for URL Extraction

10:00 - 10:20 Simone Porreca, Francesco Leotta, Massimo Mecella, Stavros Vassos and Tiziana Catarci - Accessing Government Open Data through Chatbots

10:30 - 11:00 Coffee Break

11:00 - 12:30 Second session (Room 1)

11:00 - 11:45 Keynote

11:45 - 12:00 Discussion

12:00 - 12:20 Giulio Ganino, Domenico Lembo and Federico Scafoglieri - Ontology Population from Raw Text Corpus for Open-Source Intelligence

12:30 - 13:30 Closing and lunch

Keynote Speakers

Domenico Fabio Savo - Sapienza Università di Roma

Title: Introducing Ontology-based Open Data Publishing


The recent peak in interest in Open Data from both public and private organizations has led to significant efforts in defining guidelines and methodologies for Open Data management and publication. Nevertheless, although a number of guides and best practices introduce data formats, data licenses, and architectures for publishing Open Data, a formal and comprehensive methodology supporting an organization in deciding which data to publish and how to publish it at a high quality is still missing. One of the reasons of this lack of formal methods is that the problem of Open Data Publishing is strictly related to the problem of managing the data within an organization. In this talk we will show how the novel paradigm of Ontology-Based Data Management (OBDM) can provide the principles and the techniques for addressing this challenge. In OBDM, the usual global schema of traditional data integration systems is replaced by the conceptual model of the application domain, expressed through a logic-based ontology language. Suitable mappings are used to link the concepts in the ontology to the data at the sources, so that services expressed over the ontology can be translated into low-level services over the data. After a formal presentation of the OBDM framework, we will then go on to show how the investment of developing an ontology and mapping it to the relevant data source will produce the know-how for an organization to publish and maintain high quality Open Data, annotated with relevant semantic metadata.

Short Bio:

Domenico Fabio Savo is a research associate at DIAG, the Department of Computer, Control, and Management Engineering Antonio Ruberti at Sapienza University of Rome, and Co-Founder and leading member of the OBDA Systems's research and project development team. He received his Ph.D. in 2013 from Sapienza University of Rome, and was a fixed-term assistant professor at Sapienza University of Rome from March 2014 to February 2017. His research interests focus on the application of semantic technologies for information and data management. He studies the application of reasoning techniques over ontologies for data management: Ontology-based Data Management (OBDM); Knowledge Representation, Ontology Engineering, and Semantic Web. He has participated in several projects in collaboration with private companies and public administration bureaus with the aim of applying semantic technologies to real-world scenarios. In 2017 he (co)founded the OBDA Systems, an innovation startup of Sapienza University, which proposes state-of-the-art solutions based on the most recent breakthroughs in the field of semantic technologies. Domenico Fabio Savo regularly publishes the results of his research, and regularly serves as reviewer for conference and journals in the areas of his interest.


The workshop is held in conjunction with 17th International Conference on Web Engineering (ICWE 2017). Please refer to the conference main page for information about registration.

Call for papers

The main goal of the workshop is to give to the research and practicing community operating in open Web technology an opportunity to share ideas and confront each other about the challenges involved in exposing data on the Web through open services, on the one side, and to acquire information from the open Web, on the other side. Topics include (but are not limited to):

  • Reference architectures for the open Web

  • Design approaches for open Web integration architectures

  • Integration strategies for the open Web

      • Caching methodologies

      • Access throttling

      • Data refresh strategies

  • Integration conceptual schemas for horizontal and vertical markets

  • Support for streaming and big data in open Web technologies

  • Monetization strategies for the open Web: the business behind the open Web

  • Existing open Web initiatives and ecosystems

  • Comparison between open Web approaches and (semantic) open data approaches

  • Public administration open Web initiatives and approaches

  • Discussions about available (or lacking) technology support for open Web

  • Employment of chat bots to access data in the open Web

  • Applications of Artificial Intelligence to the open Web

  • Security and privacy issues

  • Facing malevolent employment of open Web to create parallel markets

  • Technology readiness level of public administrations for open Web

  • Exposing web crawling data in the open Web

  • Incorporating web crawled data in the open Web

  • NLP applied to Open web and Open Source Intelligence (OSINT)

  • Ontologies and semantic approaches for the Open web and Open Source Intelligence (OSINT)

  • Exposing (aggregated) social network data in the open Web

  • Visualization techniques for the open Web

  • Efforts to address interoperability challenges for data and services discovery, integration, and exploitation in the open Web (e.g., conceptual and technical standards or software tools)

  • Description of business and government cases, best practices, applications or software tools in the open Web

  • Web crawling approaches and architectures for the open Web

  • Social network open data acquisition and mining

  • Novel approaches to Open Source Intelligence (OSINT) in different domains (marketing, security, etc.)

  • Focused crawling

Submission Instructions

Authors are invited to submit two types of papers,

  • regular papers of 12 pages and

  • demo/short papers of 6 pages .

Submitted papers should conform to the Springer LNCS style and should describe, in English, original work that has not been published or submitted for publication elsewhere.

A single PDF versions of papers should be submitted electronically via the EasyChair submission page.

Post-workshop proceedings to appear in Springer's LNCS series.

Submissions will be judged on novelty, relevance, clarity of presentation, and correctness.

Authors of accepted submissions are required to register to ICWE and Workshops and to present their work.


Program Chairs

Francesco Leotta Sapienza Università di Roma - Italy

Evangelos Kalampokis University of Macedonia - Greece and Centre for Research & Technology-Hellas

Massimo Mecella Sapienza Università di Roma - Italy

Program Committee

Yu Asano Hitachi - Japan

Peter Haase Metaphacts - Germany

Armin Haller Australian National University - Australia

Paul Hermans ProXML - Belgium

Marijn Janssen TUDelft - The Netherlands

Sabrina Kirrane Vienna University of Economics and Business - WU Wien - Austria

Domenico Lembo Sapienza Università di Roma - Italy

Nikos Loutas PwC - Belgium

Fadi Maali SAP - Ireland

Peyman Nasirifard Volkswagen AG - Germany

Vassilios Peristeras International Hellenic University - Greece

Bill Roberts Swirrl - United Kingdom

Domenico Fabio Savo Sapienza Università di Roma - Italy

Monica Scannapieco ISTAT - Italy

Efthimios Tambouris University of Macedonia - Greece

Important dates

Submission: 31 March 2017 15 April 2017 (Extended)

Notification: 5 May 2017

Camera-ready: 10 May 2017

Workshop dates: 5 June 2017

Camera-ready (post proceedings): 24 June 2017


For any information please contact Prof. Massimo Mecella and Francesco Leotta.

Please feel free to write an email at {mecella,leotta}