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  <front>
    <journal-meta />
    <article-meta>
      <title-group>
        <article-title>Artificial Intelligence against disinformation: the FANDANGO practical case*</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>Francesco Saverio Nucci</string-name>
          <email>francesco.nucci@eng.it</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Silvia Boi</string-name>
          <email>silvia.boi@eng.it</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Massimo Magaldi</string-name>
          <email>massimo.magaldi@eng.it</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>Engineering SpA</institution>
          ,
          <addr-line>Viale dell'agricoltura, 24 00144 Rome</addr-line>
          ,
          <country country="IT">Italy</country>
        </aff>
      </contrib-group>
      <abstract>
        <p>The present paper discusses how Artificial Intelligence can support the fight to disinformation to support a correct access to the news and content to the citizens, allowing the right democratic participation. Even if automatic detection of Fake News and disinformation is not possible for the moment and not in the intention of the authors, Machine Learning technologies and Big Data analysis can strongly support journalists and media professionals to detect disinformation in their day-by-day working activity. The paper presents some results of a running EU co-funded project, named FANDANGO, describing its technological approach and architecture. In the first and second chapters the context of disinformation is presented, in chapter 3 and 4 the FANDANGO project is shortly described, including its AI approach and dataflow architecture, chapter 5 describes the project use cases: climate change, immigration, and European policies. Finally, some short conclusions conclude the paper with general considerations on the status of digital media and with some preliminary suggestions to enforce the media in European ecosystem.</p>
      </abstract>
      <kwd-group>
        <kwd>Artificial Intelligence</kwd>
        <kwd>Disinformation</kwd>
        <kwd>Media promoting participation</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body>
    <sec id="sec-1">
      <title>-</title>
      <p>The present paper discusses the possible use of Artificial Intelligence based
methodologies, tools and services to fight disinformation. The recent Covid-19 global pandemic,
followed by the so called “infodemics” of global disinformation stresses the urgent need
to promote in the European Union the education and the integration of the next
generation of researchers, journalists, and citizens addressing disinformation and
misinfor* Copyright © 2020 for this paper by its authors. Use permitted under Creative Commons
License Attribution 4.0 International (CC BY 4.0).
mation by an integrated scientific approach. There is a potential trade-off in using
automated technology to curb disinformation online without setting at helm a seasoned,
diverse team of social and computer scientists, journalists, educators, fact checkers and
new media content providers.</p>
      <p>
        Fake News are now a hot issue in Europe as well as worldwide, particularly referred
to Political and Social Challenges that reflect in business as well as in industry [
        <xref ref-type="bibr" rid="ref1">1</xref>
        ].
Europe is lacking of a systematic knowledge and data transfer across organizations to
address the aggressive emergence of the well-known problem of fake news and
posttruth effect. The possibility to use cross sector Big Data management and analytics,
along with an effective interoperability scheme for all our data sources, will tackle this
urgent problem, generating new business and societal impacts involving several
stakeholders: a) Media Companies: news agencies, broadcaster, newspapers, etc, b)
Governmental institutions and organizations, c) The overall industrial ecosystem, d) The entire
society.
      </p>
      <p>The idea underlying this paper is that it is possible to tackle this aggressive
emergence of fake news, post-truths, and disinformation, providing online web app and
services that will support media professionals with some high-level features, such as:
automatic misinformation detection and trustworthiness scoring, based on Big Data
analysis techniques (ML models and Graph Analysis), or tools to support user data
investigation, through an interactive exploration of news, open data and verified claims
databases.</p>
      <p>
        This hypothesis has been investigated and validated by the authors in a dedicated
R&amp;D project, co-funded by the European Commission and named FANDANGO
[
        <xref ref-type="bibr" rid="ref2">2</xref>
        ].The FANDANGO project stands in line and realises the core implementation of the
Commission Action Plan on tackling online disinformation together with the other
undergoing initiatives: the European Observatory on Social Media and Disinformation
(SOMA project [
        <xref ref-type="bibr" rid="ref3">3</xref>
        ]) and the European Digital Media Observatory (EDMO), funded in
the CEF programme and the support to research projects building a wide and vivid
research community around those fundamental issues. EDMO monitoring of the digital
media ecosystem will provide relevant real-time information on the evolution of the
disinformation phenomenon. All these initiative demonstrate the strong interest in the
European Commission for a better investigation and use of advanced digital technology
in fighting disinformation to protect and support our society in a better access to the
information to ensure the right citizen participation to the democratic process [
        <xref ref-type="bibr" rid="ref4">4</xref>
        ].
2
      </p>
    </sec>
    <sec id="sec-2">
      <title>The context</title>
      <p>
        Discovering disinformation rapidly, effectively, almost in real time is one of the most
needed, and most complex, challenge facing social media in the EU and globally. The
abundance of data, from different sources (news media companies, journalists,
prosumers, commenters etc.) and at the same time the partial view of data owned by platforms,
makes it extremely difficult to filter-out and discriminate the valid information from
the false one and the intentionally wrong [
        <xref ref-type="bibr" rid="ref5">5</xref>
        ]. In addition, it is now clear how some
nonEU countries are maliciously using this phenomenon, in a weaponized manner, to
influence our life in one of the most sensitive and critical aspects: the democratic process.
      </p>
      <p>In addition, the processing time is critical, since the detection of suspicious content
should happen while the news post is still "live", otherwise it will manage to go viral
on the web and to move to traditional media.</p>
      <p>Nowadays, the process of retrieve, correlate and assess data from various data
sources to timely discover disinformation requires an increasing “investigative” effort
that can’t be afforded by single organizations and requires automatic support.</p>
      <p>
        It is important to stress how the automatic detection of disinformation problem needs
the aggregation of a multidisciplinary scientific community from Artificial Intelligence
to Complex Networks analysis [
        <xref ref-type="bibr" rid="ref6 ref7">6, 7</xref>
        ], from video and image processing to Cross media
exploration [
        <xref ref-type="bibr" rid="ref8 ref9">8, 9</xref>
        ], from Social Science and Humanities [
        <xref ref-type="bibr" rid="ref10">10</xref>
        ] to Natural Language
Process [
        <xref ref-type="bibr" rid="ref11">11</xref>
        ], in addition, this must be integrated, in the future, also with Research
Infrastructures and High Performance Computing and new calculation procedures.
3
      </p>
    </sec>
    <sec id="sec-3">
      <title>The FANDANGO project</title>
      <p>FANDANGO is a European co-funded project started in January 2018 and run by a
consortium of 8 members from 5 European countries. Goal of the project is design and
develop AI-based tools and services to support media professionals in discovering Fake
News and disinformation and in this way supporting and improving the proper citizens
participation to the democratic debate and process.</p>
      <p>FANDANGO results are aimed at professionals, who evaluate news and claims to
identify and disprove misinformation and disinformation in different market segments
that we will identify in the following section. However, it is important to stress that for
professionals, the expert evaluation and final judgement will never be substituted by an
automatic decision. The value of FANDANGO results lies in the capabilityto
effectively support the human evaluation process by identifying clues of potential
misinformation and by facilitating the access to relevant and reliable data.</p>
      <p>To offer this value proposition FANDANGO partners will provide an IT platform
(likely offered as on-line service - SaaS, even though on premises installations cannot
be ruled out at the moment) able to effectively support the human professionals by
providing them the two groups of features mentioned above:
1. Detection and scoring of clues of potentially misleading content,
2. Support in the analysis of reliable data related to the claim under scrutiny, through
interactive exploration of official reliable open data sources and databases of verified
claims.</p>
      <p>This last group of features will be heavily influenced by the specific domain of
knowledge of interest to which the FANDANGO results will need to be somewhat
tailored; this aspect is currently undergoing research exploration. The first group of
features, on the other hand is somewhat more consolidated, and is domain agnostic to a
larger extent. In fact, this group of features will offer a trustworthiness scoring, based
on Big Data analysis techniques (Machine learning models in particular). Specifically,
a set of different separate scores will be computed by analysing different component of
a specific news, i.e. text, authors, source, media.</p>
      <p>In short, to check the trustworthiness level of an online article, user specifies the
content to be analysed by providing its URL to the FANDANGO web app, which will
then provide - in a reasonable response time - a set of scores, one for each relevant
“fakeness” clue:
• “fake” writing style (on the basis of Natural Language Processing techniques),
• manipulation in the associated media (video and images analysed by adequately
trained machine learning models),
• out of context video and images (video or images untampered originals but used out
of their original context),
• authors and source credibility,
• an overall metrics combining all the criteria/scores above.
4</p>
    </sec>
    <sec id="sec-4">
      <title>The architecture and AI approach</title>
      <p>To implement the features described in the previous section, it is necessary to monitor
new information published on internet, analysing and classifying their content
providing a set of trustworthiness scores relative to the different component of a news - i.e.
text, authors, source, media.</p>
      <p>Since information content on the web is created continuously and at a high speed
rate, monitoring selected sources over time, detecting and scoring clues of potentially
misleading content, acting as an early warning system when potential disinformation is
published online, implies the access to a huge amount of data.</p>
      <p>To manage the effective ingestion, processing and analysis of high volume of data,
the FANDANGO architecture design is based on a Big Data approach. More
specifically, to meet the functional requirements of FANDANGO we implemented a
streaming architecture to effectively process the continuous flows of data published on the
web.</p>
      <p>
        One of the core component of FANDANGO architecture is Kafka [
        <xref ref-type="bibr" rid="ref12">12</xref>
        ], a distributed
event streaming platform that support high-performance data pipelines and streaming
analytics. Data storage is based on Elasticsearch [
        <xref ref-type="bibr" rid="ref13">13</xref>
        ], a scalable, distributed, RESTful
search and analytics engine that is also at the core of the Data Investigation features.
A diagram of the streaming Data flow of FANDANGO is depicted in Figure 1.
This dataflow model, associated with the use of big data tools, ensures not only efficient
computation of large amounts of data, but also good horizontal scalability when the
workload undergoes variations. We have chosen a Cloud IT infrastructures to achieve
the advantages described and Kubernetes [
        <xref ref-type="bibr" rid="ref14">14</xref>
        ] - an open-source system for automating
deployment, scaling, and management of containerized applications – to orchestrate all
components. The detection and scoring of clues of potentially misleading content is
based on Artificial Intelligence (AI) advanced processing and analytics methods to
analyze different content types, from text and social graphs to image and video content,
such as:
• Spatio-temporal analysis and contextualisation of news posts
• Multilingual solutions for analysing misleading posts
• Detection of forgery on images and videos
• Evaluation and scoring of credibility of the news sources through profiling
• Machine learning approaches to automatically weight and score fakeness of news
posts.
      </p>
      <p>For each one of this tasks, different analysis approaches have been adopted using
several Machine Learning (ML) and Graph Analysis state-of-the-art algorithms and
techniques. These analysis methods have been embedded in a set of independent
microservices modules to analyze text, multimedia content such as videos and images and
finally, metadata content:
• A Text Analysis service based on Natural Language Processing by considering the
article body
• A Topic Extraction service based on Named Entity Recognition (NER) techniques
by analysing the article body
• A Multimedia analysis service based on image and video analysis
• A Source-credibility service based on graph analytics techniques.</p>
      <p>
        More specifically:
• The text analyzer service gets the content body of the document, analyses it via
advanced Natural Language Processing (NLP) procedures and provides a
trustworthiness score of the article content [
        <xref ref-type="bibr" rid="ref15">15</xref>
        ];
• The topic extractor service performs a NER procedure to retrieve the main topics of
the content, that are used to calculate trustworthiness scores (e.g. automatic detection
of out-of-context images) and to support users in interactive data investigations.
• The multimedia analyzer service attempts to detect different types of manipulations
(such as DeepFake [
        <xref ref-type="bibr" rid="ref16 ref17 ref18">16, 17, 18</xref>
        ]) in the set of images and videos associated to the
document using powerful neural networks.
• The source-credibility service collects the information related to publishers, authors,
articles and topics and generates a graph to connect the different entities involved in
the process. In particular, this service provides a trustworthiness indicator for both
publisher and authors by computing a set of centrality methods [
        <xref ref-type="bibr" rid="ref19">19</xref>
        ] to measure the
impact of each node in the network together with a set of metrics based on the
connection of the nodes to indicate the polarity of the impact (level of trustworthiness).
      </p>
      <p>Finally, all ingested news and relative scores can be further investigated by the users
in an interactive manner, using the advanced analytics features implemented in
FANDANGO, fusing knowledge graph and BI analytics on top of Elasticsearch.
5</p>
    </sec>
    <sec id="sec-5">
      <title>The FANDANGO use cases</title>
      <p>In order to validate and test the FANDANGO results three main use cases have been
analysed and implemented: climate change, immigration, the European policies. These
use cases give an overview on how the FANDANGO services can be used with regards
to fact checking of images, claims, articles &amp; videos.</p>
      <p>Climate: When contesting Climate statements, it has become a habit to attack the
research that led to the facts instead of the facts themselves. While this seems like an easy
way to challenge any kind of statement, in case of climate based ones they often have
a point. Climate statements often don’t take the whole picture into account, but the
reason for that isn’t always foul play. The requirement to be brief and to the point often
causes some bad decisions when it comes down to formulating a fact. And of course
this is all that is needed to claim the whole fact as being false. A better integration with
true data is needed, it is clear to everyone that to validate facts you need data.
From a journalistic point of view, the job of fact-checking not only the content, but also
the context in which a statement was made becomes very hard, especially at the rate
new information is being produced.</p>
      <p>Immigration: Populist discourses, us-versus-them worldviews, hate speeches against
those who are different” enjoying a widespread and often growing audience in Europe
-partly explained by mass media’s functioning mechanisms-, certainly wider than more
nuanced approaches to an issue. It is demanding, after all, to have an informed opinion,
and there are always those eager to offer a simpler biased perspective for their own
political or economic benefit. This is a challenge shared by all European countries,
especially during times of economic crisis. The Fandango immigration use case focuses
on:
• Gather, standardise, integrate and make available reliable data, creating a factual
integrated data silo that can be easily and quickly used to counter fake news on
immigration.
• Analyse existing European data from opinion polls and barometers (e.g.
Eurobarometer) to investigate how the population opinions and feelings match (or not) the
actual facts. Do people perceive the immigration reality as it really is?
• Combining both sources of data (factual reality and perception), the pilot created
journalistic material including graphic and data visualizations showing, at a single
glance, the gap between myths and reality, so that they can be easily viralizable on
their own via social networks. Evidence and data based memes against fake memes.
European policies: The last, but not least use case impacts the European Context: last
years Europe is, in a certain way under attack from main point of views and from many
directions, Fake News play a malicious role in the attack. The grounding idea of this
scenario is the aggregation of data around European community, citizens, budget, and
so on in order to defend Europe itself from Fake News or claims that every day are
spread from many different channels. A pilot for this use case include fact checking of
news stories and political statements on active topics. The goal is to debunk false and
partially true statements, to quickly separate fact from propaganda, and to bring
subtleties in stories back into view for the media consumer.
6</p>
    </sec>
    <sec id="sec-6">
      <title>Future steps and conclusion</title>
      <p>The disinformation problem is even more urgent after the explosion of COVID
pandemic, demonstrating the importance to have the right scientific information in an
emergency, in addition it has been already demonstrated how the democratic process
can be jeopardized by a improper access to the digital information and content by the
citizens, the FANDANGO project was started three years ago, but the situation is not
now changed, however it demonstrate how the AI can be used in the context for Good,
supporting journalist and media professional in discovery fake news and malicious
information. In the same time, it demonstrates also how long it is the way on an automatic
approach that cannot in any case be foreseen. With respect to the European Ecosystem
it should be stressed how the EC already started many initiatives and R&amp;D projects,
but even if in Europe several initiatives and investments have been proposed and
realised, it is still missing a common European media environment where the media sector
is equipped of a powerful set of models and visual interactive tools for data journalism
and investigative journalism to support in determining news authentication evaluations.
This is not only to detect disinformation but to tackle malicious information, hate
speeches and aiding and abetting terrorism actions.</p>
      <p>This environment should combines well-defined business strategy to pursue a strong
market position for the concept of content-centric trusted information for professional
users and technical strategy to boost the deployment of technologies such as AI-based
solutions and services for example the machine learning and the semantic technologies,
enabling a larger user community to reap the economic benefits from such environment,
especially SMEs and non-technology sectors (such as media companies, social media
expert, data journalists…) in detecting disinformation through the provided solutions.
In this way, also the fight of disinformation can be approached and supported in a more
general context environment with positive results and effective achievements: the
papers authors have already started to work in this direction.</p>
    </sec>
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