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- W205002314 abstract "At the University of Colombo School of Computing (UCSC) a new e-learning based Bachelor of Information program has been set up. One of the given courses is focused on the Office skills of the student. For this course a new tool should be developed to assess practical tests automatically, so the teacher does not have to assess tests manually. This report is focused on the assessment of skills in Microsoft Word, Excel and Powerpoint. The feasibility of this is investigated and an approach has been found. A tool has been developed, which can be used to assess the word-, spreadsheet- and presentation- processing skills described by the International Computer Driver License (ICDL) standard. First a procedure for taking a test has been made. The test consists of a printed document with some instructions about for example the used letter types. The student should reproduce this document, using his skills. The resulting document will be matched with a model answer, provided by the teacher and assessed using a marking schema. The system has two documents. Now the main problem is to compare these documents. The documents are stored in Microsoft OOXML format, which can be easily read by the tool. The problem of OOXML is that it is not directly comparable. Different structures can be used to represent the same document and a lot of useless data is present. A new format – the DocumentElement format - has been created which has only one possible representation for the same document. Also all non-ICDL data has been removed. The DocumentElement format is a tree of DocumentElements – like paragraphs, pictures, tables, cells – with properties assigned to these elements – like lettertype, size and color. To create a DocumentElement from an OOXML file the use of parsing technology has been suggested. Three levels of parsing are needed to create this format. The first level is parsing the XML file into an object-oriented representation. The next level is parsing the object-oriented representation into a raw DocumentElement representation. To do this, the parser will be provided with some expert data. This data contains information about the relevance of the DocumentElements. The elements and properties that are not mentioned by ICDL or not important to the teacher will be removed. The last level of parsing is the DocumentSweeper. Some extra rules are added to the system to remove the last peaces of useless data. After both documents have been parsed, they can be compared. Using a marking schema provided by the teacher a mark can be given. This part needs some extra investigation, because the used algorithms are exponent ional, so limitations are build in to avoid explosion of execution time. This could cause errors and unjust marks in some cases. A tool has been developed using this techniques and the results are promising. The differences between the marks given by the teacher and the system are in most of the cases beneath 10%, which is acceptable. The developed tool therefore seems to be useful and quickly applicable at the UCSC." @default.
- W205002314 created "2016-06-24" @default.
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- W205002314 date "2010-08-11" @default.
- W205002314 modified "2023-09-27" @default.
- W205002314 title "Office Skill Assessment Project" @default.
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