Abstract: Automatic essay grading systems are usually evaluated by comparing the correlation between the grades assigned by the assessment system and a set of human graders. We argue that this method...
Using Natural Language Parsers in Plagiarism Detection (2009)
Maxim Mozgovoy, Tuomo Kakkonen, Erkki Sutinen
The problem of plagiarism detection system design is a subject of numerous works of the last decades. Various advanced file-file comparison techniques were developed. However, most existing systems,...
Comparison of Dimension Reduction Methods for Automated Essay Grading (2009)
Tuomo Kakkonen, Niko Myller, Erkki Sutinen, Jari Timonen
Automatic Essay Assessor (AEA) is a system that utilizes information retrieval techniques such as Latent Semantic Analysis (LSA), Probabilistic Latent Semantic Analysis (PLSA), and Latent Dirichlet...
developing digital learning environments in widely dispersed
COLLABORATIVE PROGRAM VISUALIZATION WITH WOVEN STORIES AND JELIOT 3 (2008)
Andrés Moreno, Niko Myller, Erkki Sutinen
The novel concept of collaborative program visualization combines individually oriented cognitive tools with a collaborative environment. The concept is based on the socio-cultural constructivism in...
Agency Architecture for Teacher Intervention in Robotics Classes (2008)
Ilkka Jormanainen, Yuejun Zhang, Erkki Sutinen
Teachers working in robotics classes face a major problem: how to keep track on individual students ’ or even small groups ’ progress in a class of 30-40 students. An agency approach to this...
Communication Technology in Higher Education in Tanzania (2008)
Mikko Vesisenaho, Carolina Islas, Matti Tedre, Erkki Sutinen
Abstract: Technologies are neither developed nor used in a sociocultural vacuum. They always embody and make use of some kind of tacit knowledge. The gulf between the knowledge that designers possess...
Pasi J. Eronen, Jussi Nuutinen, Erkki Rautama, Erkki Sutinen, Jorma Tarhio
Concept learning belongs to the fundamental challenges of educational technology. Contrary to the current trend of designing and implementing contents for various web–based virtual courses, concept...
Roman Bednarik, Niko Myller, Erkki Sutinen, Markku Tukiainen
Abstract. We present preliminary results of an experiment in computer program comprehension that was conducted to find out whether visual strategies can characterize low- and high-comprehenders. In...
How to learn introductory programming over Web (2008)
Arto Haataja, Jarkko Suhonen, Erkki Sutinen
distance education
Learning by Experience Networks in Learning Organizations (2008)
Marja Kuittinen, Erkki Sutinen, Heikki Topi, Marko Turpeinen
offers undergraduate courses in Cognitive Science. The studies are mainly organized as web-based courses or collaborative student projects. In the basic studies component, a student completes four...
Masaru Kitsuregawa, Betty Salzberg, Gonzalo Navarro, Ricardo Baeza-yates, Erkki Sutinen, Jorma Tarhio, ...
IntegratingDiverseInformationManagementSystems:ABriefSurvey..................................
Collaborative Strategic Planning On-line (2008)
Kimmo Liinamaa, Jussi Nuutinen, Erkki Sutinen, Hannu Vanharanta
It is widely agreed that the rate of change in many industries is faster than ever before. Strategic decisions are, in addition to top management plans, made on a day-to-day basis closer to the firms...
Agents In An Adaptive Learning Environment For Special Needs Education (2007)
In a learning situation, varying needs of disabled children can be met in a personal and adaptive learning environment. We give a description of an agent-based learning environment for special needs...
14 Second Program Visualization Workshop The Algorithm Animation Repository (2007)
Pierluigi Crescenzi, Nils Faltin, Rudolf Fleischer, Christopher Hundhausen, Stefan Näher, Guido Rößling, ...
As researchers in theoretical or practical computer science, we are used to publishing our results in form of research papers that appear in conference proceedings or journals. Journals are normally...
Using StoryML for Content Representation (2007)
Petri Gerdt, Jarkko Suhonen, Erkki Sutinen
Abstract. The Woven Stories is a tool for writing stories collaboratively. Inorderto represent the written stories adaptively, we need to construct description about the content ofthe stories and the...
Applying Part-of-Seech Enhanced LSA to Automatic Essay Grading (2006)
Kakkonen, Tuomo, Myller, Niko, Sutinen, Erkki
Latent Semantic Analysis (LSA) is a widely used Information Retrieval method based on "bag-of-words" assumption. However, according to general conception, syntax plays a role in representing meaning...
Ethnocomputing: ICT in cultural and social context (2006)
Tedre, Matti, Sutinen, Erkki, Kahkonen, Esko, Kommers, Dr. P.A.M.
Ethnocomputing: ICT in cultural and social context (2006)
Tedre, Matti, Sutinen, Erkki, Kahkonen, Esko, Kommers, Piet
Although culture has recently been recognized as one factor in interface design, CS and engineering are generally thought to be culturally neutral. The approach presented here recognizes society and...
Noise Reduction in LSA-based Essay Assessment (2005)
Tuomo Kakkonen, Erkki Sutinen, Jari Timonen
Abstract:- With the Latent Semantic Analysis (LSA), it is possible to automatically grade essays, i.e., free-text responses to examinations, by comparing them to a corpus of available learning...
Fast plagiarism detection system (2005)
Maxim Mozgovoy, Kimmo Fredriksson, Daniel White, Mike Joy, Erkki Sutinen
Introduction. The large class sizes typical for an undergraduate programming course mean that it is nearly impossible for a human marker to accurately detect plagiarism, particularly if some attempt...
A Taxonomy for Definitions and Applications of LOs: A Meta-analysis of ICALT papers (2005)
Veronica Rossano, Via Orabona, Mike Joy, Teresa Roselli, Erkki Sutinen
This paper presents an analysis of papers delivered at the ICALT 2004 conference, in order to understand the current research issues relating to Learning Objects (LOs). The major research results are...
Automatic Essay Grading with Probabilistic Latent Semantic Analysis (2005)
Tuomo Kakkonen, Niko Myller, Jari Timonen, Erkki Sutinen
Probabilistic Latent Semantic Analysis (PLSA) is an information retrieval technique proposed to improve the problems found in Latent Semantic Analysis (LSA).
Noise Reduction in LSA-based Essay Assessment (2005)
Tuomo Kakkonen, Erkki Sutinen, Jari Timonen
Abstract:- With the Latent Semantic Analysis (LSA), it is possible to automatically grade essays, i.e., free-text responses to examinations, by comparing them to a corpus of available learning...
What a Novice Wants: Students Using Program Visualization in Distance Programming Course (2004)
Osku Kannusmäki, Andrés Moreno, Niko Myller, Erkki Sutinen
Evaluation is an important part of the development cycle of a new application. Especially, software tools for learning and teaching should be evaluated early on and the evaluation should guide the...
Visualizing Programs with Jeliot 3 (2004)
Andrés Moreno, Niko Myller, Erkki Sutinen
We present a program visualization tool called Jeliot 3 that is designed to aid novice students to learn procedural and object oriented programming. The key feature of Jeliot is the fully or...
Semi-Automatic Evaluation Features in Computer-Assisted Essay Assessment (2004)
Tuomo Kakkonen, Niko Myller, Erkki Sutinen
The role of assessment and evaluation has recently changed in a way which will have fundamental consequences in applying information and communication technologies (ICTs) to analyzing learning...
Renald Buter, Anthony Van Raan, Teemu Laine, Erkki Sutinen, Marcel Van Mackelenbergh, Piet Kommers
QLK4 Final Report
Automatic Assessment of the Content of Essays Based on Course Materials (2004)
Abstract Assessing free-text responses, like essays, is a demanding task even for a human. To reduce the costs of essay grading, methods to automate the assessment process have been developed....
How to improve a virtual programming course (2003)
Veijo Meisalo, Erkki Sutinen, Sirpa Torvinen
Abstract – The University of Joensuu started to offer virtual Computer Science studies to high school students in the surrounding rural area of Joensuu beginning in fall 2000. We evaluated the...
Understanding Algorithms by Means of Visualized Path Testing (2002)
Ari Korhonen, Erkki Sutinen, Jorma Tarhio
Visualization of an algorithm offers only a rough picture of operations. Explanations are crucial for deeper understanding, because they help the viewer to associate the visualization with the...
How to learn introductory programming over Web (2001)
Haataja, Arto, Suhonen, Jarkko, Sutinen, Erkki
A part of the Virtual University of Finland, the eastern Finland universities offer high school students an opportunity to take their first 15 university credits of Computer Science over the Web. At...
Learning by Experience - Networks in Learning Organizations (2001)
Sutinen, Erkki, Kuittinen, Marja, Topi, Heikki, Turpeinen, Marko
As part of the Virtual University of Finland, the Connet framework offers undergraduate courses in Cognitive Science. The studies are mainly organized as web-based courses or collaborative student...
Learning by Experience - Networks in Learning Organizations (2001)
Sutinen, Erkki, Kuittinen, Marja, Topi, Heikki, Turpeinen, Marko
As part of the Virtual University of Finland, the Connet framework offers undergraduate courses in Cognitive Science. The studies are mainly organized as web-based courses or collaborative student...
How to learn introductory programming over Web (2001)
Haataja, Arto, Suhonen, Jarkko, Sutinen, Erkki
A part of the Virtual University of Finland, the eastern Finland universities offer high school students an opportunity to take their first 15 university credits of Computer Science over the Web. At...
Indexing Methods for Approximate String Matching (2001)
Gonzalo Navarro, Ricardo Baeza-yates, Erkki Sutinen, Jorma Tarhio
Indexing for approximate text searching is a novel problem receiving much attention because of its applications in signal processing, computational biology and text retrieval, to name a few. We...
Robust estimation with discrete explanatory variables. CERGE-EI Working paper (2001)
Roman Bednarik, Niko Myller, Erkki Sutinen, Markku Tukiainen
Abstract. The purpose of program visualization is to illustrate some aspects of the execution of a program. A number of program visualization tools have been developed to support teaching and...
Indexing Text with Approximate q-grams (2000)
Gonzalo Navarro, Erkki Sutinen, Jorma Tarhio
We present a new index for approximate string matching. The index collects text q-samples, that is, disjoint text substrings of length q, at fixed intervals and stores their positions. At search...
Lempel-Ziv Index for q-Grams (1998)
Juha Kärkkäinen, Erkki Sutinen, J. Kärkkäinen, E. Sutinen
. We present a new sublinear-size index structure for finding all occurrences of a given q-gram in a text. Such a q-gram index is needed in many approximate pattern matching algorithms. All earlier...
Approximate pattern matching with the q-gram family / (1998)
Diss. -- Helsingin yliopisto.
An Agent-Based Framework for Special Needs Education (1997)
Tuula Eriksson, Jaakko Kurhila, Erkki Sutinen
. Because of its varying requirements, special needs education provides computer-aided instruction with a particular challenge. Up till now, these challenges have been met with computerized...
An Agent-Based Framework for Special Needs Education (1997)
Tuula Eriksson, Jaakko Kurhila, Erkki Sutinen
it must be inferred by agents. In this respect, the agent helps the learner to be active. Teacher: human or computer? With educational software, the role of the teacher needs rethinking. Though...
Eliot - an Algorithm Animation Environment (1997)
Erkki Sutinen, Erkki Sutinen, Jorma Tarhio, Jorma Tarhio, Simo-pekka Lahtinen, ...
Eliot is an interactive animation environment, for visualizing algorithms written in the C programming language. Eliot provides a library of visual data types which are ordinary data types with a set...
Indexing Methods for Approximate Text Retrieval (Extended Abstract) (1997)
Ricardo Baeza-yates, Gonzalo Navarro, Erkki Sutinen, Jorma Tarhio
While the problem of on-line approximate string matching is well studied, only recently the first off-line indexing techniques have emerged. We study the different indexing mechanisms for this...
Lempel-Ziv Index for q-Grams\Lambda (1996)
Abstract We present a new sublinear-size index structure for finding all occurrences of a given q-gram in a text. Such a q-gram index is needed in many approximate pattern matching algorithms. All...
Experiments on block indexing (1996)
The work ws supported by ihe Academy o { Fid&d. Abstnct. We pleeni a block iadexin8 schene bNed on q gram8 {or persoha.l daia dchives. The sclene nal}s for ea.h continuous or gapped s gram u...