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researchseminars.html
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---
permalink: /researchseminars/
layout: default
title: Research Seminars
---
<article>
<h1>Research Seminars</h1>
<p>The Artificial Intelligence & Robotics Society grants members exclusive access to PhD research seminars - normally only available to academic staff.</p>
<p class='margin-bot'>Be aware that these sessions sometimes covers advanced topics in mathematics and/or computer science that
are not taught in undergraduate level.
</p>
</article>
<article>
<div class="session-information-yellow medium-space">
<p><b>All members will receive updates about the sessions and other information.</b></p>
<p>To become a member today go to: <a href="https://upsu.net/memberships/view/CYGD8/artificial-intelligence-and-robotics" target="_blank">https://upsu.net/memberships/view/CYGD8/artificial-intelligence-and-robotics</a></p>
</div>
</article>
<div id="timeline">
<article class="right">
<h2>Research Seminar 11</h2>
<section>
<b>2019-2020: Research Seminar 11</b>
<h3>A tryst with Upper Arm Exoskeleton</h3>
<div class="session-information-blue">
<p><b>Speaker: Prof Venky Dubey</b></p>
<p><b>Date: 19/02/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>There have been many upper arm exoskeletons developed in the last two decades
however none of these have met the expectations of the real users. Most of these designs did not
go beyond the laboratory environment and were mainly used either as a research tool or as
experimental devices for a very specific application. The majority of these devices were platform-
based that was one of the main inhibiting factors why users found such devices too cumbersome
to use. This talk will present a tryst with new design based on anatomical arm and attempt to
address what could be the technical requirements and what user interface should be provided to
enhance their acceptability.</p>
</section>
</article>
<article class="right">
<h2>Research Seminar 10</h2>
<section>
<b>2019-2020: Research Seminar 10</b>
<h3>The Birth of the First Quasars; Did Autism give rise to the concept of Machine Intelligence?; Endoscopic measurements and its accuracy and significance in upper GI endoscopy, towards better practice</h3>
<div class="session-information-blue">
<p><b>Speaker: Jacob Elford; Tony Murray; Dr Israa Bondoqa</b></p>
<p><b>Date: 12/02/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>A collection of presentations from three MRes students.</p>
</section>
</article>
<article class="right">
<h2>Research Seminar 9</h2>
<section>
<b>2019-2020: Research Seminar 9</b>
<h3>Having Secure Co-owned Data Sharing Processes in Online Social Networks</h3>
<div class="session-information-blue">
<p><b>Speaker: Gulsum Akkuzu</b></p>
<p><b>Date: 05/02/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>Online Social Networks (OSNs) have become one of the most popular platforms for people
to share information with others without considering their locations. OSNs have brought
appreciable benefits to people's lives, such as facilitating the way of communication,
real-time information about people, businesses and lifestyle. However, OSNs have also
brought some serious threats to our lives. One of those threats is the threat of privacy
breaches of everyday activities and business transactions. The majority of these privacy
risks come from the sharing of co-owned data; when a user shares data related to and
generated by multiple users, that user might cause privacy issues to those co-owners. The
main problem in such cases is that the decision to share is taken by one user who uploads
the content of the data to OSN platforms. Such a decision should ideally be the outcome of
every other user involved in the data content. Designing collaborative privacy management
systems have attracted much research attention. However, privacy issues remain unsolved
as yet.</p>
</section>
</article>
<article class="right">
<h2>Research Seminar 8</h2>
<section>
<b>2019-2020: Research Seminar 8</b>
<h3>Rule Control of Teleo-Reactive, Multi-tasking, Communicating Robotic Agents</h3>
<div class="session-information-blue">
<p><b>Speaker: Prof Keith Clark, Imperial College London</b></p>
<p><b>Date: 29/01/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>The robotic agents are programmed in two rule based languages: QuLog and TeleoR. They communicate using a logic based pub/sub and addressed message routing server, Pedro.</p>
<p>QuLog is a flexibly typed rule language for programming multi-threaded communicating agents. Its declarative subset of relation and function defining rules is used for encoding an agent’s dynamic beliefs and static knowledge. Its imperative rules are used for implementing an agent’s multi-threaded architecture, for updating the dynamic beliefs, and for inter-agent communication.</p>
<p>TeleoR is an application specific extension of QuLog for programming task threads that control robotic devices. It is a major extension of the T-R language proposed by Nils Nilsson., itself a descendant of generalised hierarchical triangular table action plans of the first cognitive robot Shakey.</p>
<p>TeleoR programs comprise sequences of guarded robotic action rules, G ~> A, clustered into parameterised procedures. G is a QuLog query to the agent's dynamic beliefs. A is a robotic action, optionally paired with an agent action, or it is a call to a TeleoR procedure, including a recursive call.</p>
</section>
</article>
<article class="right">
<h2>Research Seminar 7</h2>
<section>
<b>2019-2020: Research Seminar 7</b>
<h3>Using machine learning to analyse student assessment feedback</h3>
<div class="session-information-blue">
<p><b>Speaker: Zainab Mutlaq-Ibrahim</b></p>
<p><b>Date: 22/01/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>Assessment constitutes a fundamental part of an academic Learning process due to its importance in testing students gaining knowledge and finalizing their grades. This study aims to develop a data mining based framework for analysing students' assessment feedback that will be obtained from social media sites and/or text feedback such as end of unit feedback. The study consists of three stages: The first stage is to build a model that automatically detect the polarity of student feedback using sentiment analysis methods.</p>
<p>The second stage is to build a model that automatically identify and classify issues of assessment. And finally, test the correlation between issue(s) and students' performance. </p>
<p>The research uses Support Vector machine (SVM), Naïve Bayes (NB), decision Tree (DT), and Random Forest (RF) algorithms for text classification to analyse students' feedback of assessment to enhance learning process.</p>
</section>
</article>
<article class="right">
<h2>Research Seminar 6</h2>
<section>
<b>2019-2020: Research Seminar 6</b>
<h3>Machine Learning & Artificial Intelligence</h3>
<div class="session-information-blue">
<p><b>Speaker: Fatima Chiroma & Obinwa Ozonze</b></p>
<p><b>Date: 04/12/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>This week plays host to do fantastic speakers. First, Fatima will present a talk on "Detection of Suicidal Twitter Posts". After that, Obinwa will be doing a talk on "Towards Improving the Quality of Health Data with Artificial Intelligence".</p>
</section>
</article>
<article class="right">
<h2>Research Seminar 5</h2>
<section>
<b>2019-2020: Research Seminar 5</b>
<h3>Understanding the role of the Care and Health Information Exchange in changing clinical practice: a realist evaluation</h3>
<div class="session-information-blue">
<p><b>Speaker: Elisavet Andrikopoulou and Philip Scott</b></p>
<p><b>Date: 6/11/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>The overall evidence for the impact of electronic information systems on cost, quality and safety of healthcare remains contested. Whilst it seems intuitively obvious that having more data about a patient will improve care, the mechanisms by which information availability is translated into better decision-making are not well understood. Furthermore, there is the risk of data overload creating a negative outcome. There are situations where a key information summary can be more useful than a rich record.</p>
</section>
</article>
<article class="right">
<h2>Research Seminar 4</h2>
<section>
<b>2019-2020: Research Seminar 4</b>
<h3>Deep Fuzzy Models</h3>
<div class="session-information-blue">
<p><b>Speaker: Alexander Gegov</b></p>
<p><b>Date: 16/10/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
<p>Alexander Gegov will be presenting a short version of the tutorial on Deep Fuzzy Models that he presented with two international research collaborators at the IEEE International Conference on Fuzzy Systems in June 2019.</p>
<p>The presentation will discuss synergies between Deep Learning and Fuzzy Systems.</p>
<p>You can find more details about this presentation here:</p>
<p><a href="https://attend.ieee.org/fuzzieee-2019/tutorials/#dfm">https://attend.ieee.org/fuzzieee-2019/tutorials/#dfm</a></p>
</section>
</article>
<article class="right">
<h2>Research Seminar 3</h2>
<section>
<b>2019-2020: Research Seminar 3</b>
<h3>A Systematic Approach to Implementing Artificial Consciousness using Machine Learning and Theory of Evolution</h3>
<div class="session-information-blue">
<p><b>Speaker: Mark Godfrey</b></p>
<p><b>Date: 09/10/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
</section>
</article>
<article class="right">
<h2>Research Seminar 2</h2>
<section>
<b>2019-2020: Research Seminar 2</b>
<h3>Enabling local people and groups to support global organisational development</h3>
<p>Our organisations emerge from networks of autonomous people engaged in interaction processes
(Espejo & Foss, 2018). People, in collectives, use their skills, resources and capabilities to create
and produce whatever outcomes they may wish to achieve. Collaboration in these interactions, to a
significant degree, depend on processes of self-organization. In general there is no one with
authority to tell people what to do and how to interact; they just interact. Often these interactions are
inadequate and it is only through learning processes, which depend on cues and signals, that they
proceed towards desirable outcomes. To a degree this is the dynamics of organisational
development to respond to environmental, social, and economic pressures. Self-organising
processes are at the core of their interactions. In today’s world technologies, digital and others, are
transforming these interaction processes. New forms of communication and relationships are
emerging between people and their environments; these are processes towards the constitution of
effective organisational systems (Beer, 1979, 1985), (Espejo & Reyes, 2011). However, these
systems are more than the outcome of bottom-up self-organisation; they are also, the outcome of
guided self-organisation, which, through policies clarify purposes and help to speed up learning
processes by enabling relating fragmented resources. Organisational development and problem
solving require of both; bottom-up and top-down interactions. The challenge is working out which
interaction strategies are necessary to increase response capacity to make sense of an often
overwhelmingly complex surrounding. These are aspects related to Ross Ashby´s law of requisite
variety (Ashby, 1964). We learn to manage these interactions often at a high cost to people and
organisation; hierarchical structures tend to concentrate responses to environmental challenges at
the top of the organisation. On the other hand heterarchical organisations try to distribute response
capacity and self-organisation throughout the collective, but often their local response capacity is
limited by resources. However, current information and communications technologies are increasing the
chances of making this distribution effective.</p>
<div class="session-information-blue">
<p><b>Speaker: Professor Raul Espejo</b></p>
<p><b>Date: 02/10/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Richmond Building LT2</b></p>
</div>
</section>
</article>
<article class="right">
<h2>Research Seminar 1</h2>
<section>
<b>2019-2020: Research Seminar 1</b>
<h3>On Minimisation of Treewidth and Fill-In</h3>
<p>In graph theory, a chord is defined as an edge between a pair of non-adjacent vertices of a cycle. After the addition of a set of chords, a graph becomes triangulated if every cycle has a chord. In a minimal triangulation, the removal of any chord creates a chord-less cycle. First, we review some efficient algorithm for minimal triangulation.</p>
<p>Second, we consider two well-studied problems in graph theory with various real-world applications. Both problems can be solved by finding specific triangulations of the input graph. The Minimum Fill-In problem is the problem of finding a triangulation with the minimum number of chords whereas the Treewidth problem corresponds to the problem of finding a triangulation such that the cliquesize (size of the largest set of pairwise adjacent vertices) is kept to a minimum. It has been proved that neither of the two problems can be solved efficiently. </p>
<p>We overview the graph classes where the answer to the two problems differ and introduce a class of graphs that contains all the aforementioned classes. We then discuss the closely related TFM (the Treewidth and Fill-in Minimisation) problem where given a graph G, positive integers c and k the output is 'yes' if there exists a triangulation of G with cliquesize of at most k more than optimal, that has at most c many more chords than the minimum number of chords needed. We point out the values of k and c for which the TFM problem has a positive answer in our class of graphs. Finally we study some well-known graph classes where we believe the TFM problem has a positive solution for any c and k.</p>
<div class="session-information-blue">
<p><b>Speaker: Mani Ghahremani</b></p>
<p><b>Date: 25/09/2019</b></p>
<p><b>Time: 14:00-15:00</b></p>
<p><b>Location: Buckingham Building 0.20</b></p>
</div>
</section>
</article>
</div>
<article class="medium-space">
<div class="session-information-yellow medium-space">
<p><b>Looking for last year's sessions?</b></p>
<p>You can find 2018-19's sessions by <a href="201819">clicking here</a>.</p>
</div>
</article>