Visualization methods for single documents are either too simple, considering word frequency only, or depend on syntactic and semantic information bases to be more useful. This paper presents an intermediary approach, based on H. P. Luhn’s automatic abstract creation algorithm, and intends to aggregate more information to document visualization than word counting methods do without the need of ...

assessment is considered as one of the fundamental elements in the field of foreign language acquisition. in order for communication take place, adequate number of vocabulary is needed to be known by the learners. the salient role of vocabulary in the field of foreign language acquisition resulted in the publication of several hundreds of papers and dozens of books. due to the dominant role of ...

Literature is replete with the studies focusing on the role of vocabulary knowledge in second language receptive skills. However, the relationship between the aspects of vocabulary knowledge and productive skills in general, and the speaking performance in particular has remained scanty in the related literature. This paper examined the relationship between knowledge of L2 vocabulary size at di...

Since the appearance of Zipf’s works, (esp. Zipf 1932, 1935), his hypothesis “that the magnitude of words tends, on the whole, to stand in an inverse (not necessarily proportionate) relationship to the number of occurrences” (1935: 25) has been generally accepted. Zipf illustrated the relation between word length and frequency of word occurrence using German data, namely the frequency dictionar...