| Summary: | 碩士 === 國立成功大學 === 工程科學系碩士在職專班 === 102 === Network Dictionary Based Automatic English Test Generating System
Hung Wen Chu
Tzone I Wang
Department of Engineering Science
National Cheng Kung University
SUMMARY
Global village has been already shaped, in which verbal communication plays a very important role, and the importance of English is also ineffable. For English learners, if they only read articles without understanding the sacred words and phrases on the importance of the article, the content of the articles will be misjudged which results in reduced correctness on answers to the test for the articles. This research proposed and developed an automatic English test items generation system using a set of Internet-based online dictionaries. The system uses a parser to analyze the structure of English sentences extracted from interested articles found in the Internet and to find the POS tags of vocabulary for the automatic generation of test items by the three modules. This system not only helps teachers saving a lot of time and effort to compile tests for a topic, but also, by generating test items automatically, helps students effectively review the topic and enhance students' English proficiency. Reviewed by some experts, the test items generated by the system had been proved to be feasible and effective for different kinds of subjects.
Keywords: Automatic Test Item Generation System, E-learning, English Learning
INTRODUCTION
To meet the needs of learners of English learning, the study designs an automatic English test generation system that combines of network resources. After English learners learn to read the article, the system can been automatically generated tests. This not only helps learners understand the content of the article, but also take refresher deepen learning.
LITERATURE
e-Learning research
e-Learning is the learner through some digital media, such as Internet, computers, mobile devices, satellite radio, etc., to carry out learning activities. Learners through these digital media, connect learning platform, and get on the platform multimedia text, pictures, video, etc. without being limited to the time and distance to achieve ubiquitous learning.
Computer-assisted item generation
With the rapid development of information technology, the traditional paper questions quiz has been slowly declining, and been replaced by a computer-assisted item generation. With the powerful computing power, this system can reduce a lot of manpower and time consuming, and can quickly output quantities and quality of these items with a certain. And computer-assisted item generation also supports adaptive learning system at different stages of the learner, and provides different levels of items to help learners learn and grow gradually progressive.
Natural language processing research
Natural language processing is a very important popular area in language studies and artificial intelligence research. As the name suggests, natural language processing is to translate human language, through natural language understanding analysis, conversion, and generates the language which machine can understand.
MATERIALS AND METHODS
This study suggests that verbs are the most important keywords in the English sentence. If the verb's synonymous and antonym are used to generate tests ,it not only learn how to use the verb in the sentence, but also learn more of replications. English phrases in the English sentence can increase the depth and splendor of the English sentence. The relative pronoun in the English sentence can play go-between functions. It also combines with a series of other sentences, and increases the integrity of the English sentence. Therefore, the phrase generating tests and relative pronoun generating tests are also the emphasis of automatic generating tests.
Teachers through the system as long as the user interface can import textbook articles or articles in English easily by the way files. And then English sentence parser module can do a preliminary analysis of punctuation and sentence, and the results are stored in a exam database. Verb's synonymous and antonym tests module can automatically select the appropriate verb from the sentence, and generate the verb options and topics. Phrase tests module can automatically select the appropriate phrase from the sentence, and generate the phrase options and topics. Relative pronoun tests module can automatically select the appropriate relative pronoun from the sentence, and generate the relative pronoun options and topics. Finally, teachers press the show test button in generating test page of the system and the completed tests will been showed in the text window.
RESULTS AND DISCUSSION
This study randomly selected a currently high school text in high school English textbook and used it to do the actual testing. There are 37 English sentences which been imported by manual. And then these tests through the system's three processing modules were generated a total output of 29 tests available for learners. If the ratio is calculated according to the all tests and then there are the tests about the rate of close to 80% faster. The tests through automatic generating test system have been confirmed by professional English teachers and been confirmed automatic generating tests correctly.
CONCLUSION
The system interface is simple, easy and convenient operation, without specially operational training. Just a few steps, you can easily complete a simple generating tests automatically. You can also easily export the tests easily, and turn into a paper test. This study use of Internet resources readily available and generate tests at low cost. It not only help teachers focus teaching the topic without time-consuming, but also help students review and strengthen the English learning. Tests which been generated by the automatic generating test system have been proven the feasibility and availability.
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