After a flurry of activity in the mid to late 90's, 3D interaction research has slowed, still lacking a mastery of the domain. Listed as one of the open and crucial challenges (Brooks, 1999) for Virtual Reality (VR), it is surprising that success has not been more forthcoming. The simplest explanation is that 3D interaction is just plane hard (Herndon, et. al. 1994). Another explanation is that...

This paper presents a model of the mental lexicon and its formation, based on the self-organizing neural network. When exposed to raw text, the model clusters words according to their semantic relatedness to form a semantic network 7]. Simulations using artiicial data are described that show how co-occurrence information can be used to create a low-dimensional representation of lexical semantic...

a controversy among the muslim philosophers about the domain of the extensions was that is the subject of the verity-propositions contained the impossible extensions or only all of the actual and possible ones. from ibn-sina to al-khunaji, there are explicit texts to the former view; but later logicians, starting with athir al-din al-abhari, were inclined to the latter. in this paper, we attamp...

Carrasco, Ling, and Read (2004) showed that transient attention increases perceived contrast. However, Prinzmetal, Long, and Leonhardt (2008) suggest that for targets of low visibility, observers may bias their response toward the cued location, and they propose a cue-bias explanation for our previous results. Our response is threefold. First, we outline several key methodological differences b...

recently, baghery et al. [1, 2] presented some attacks on two rfid protocols, namely yoon and jung et al. protocols, and proposed the improved version of them. however, in this note, we show that the improved version of the jung et al. protocol suffers from desynchronization attack and the improved version of the yoon's protocol suffers from secret disclosure attack. the success probabilit...

The present study aimed to examine the translatorchr('39')s solutions to the translation of conversational implicatures from English into Persian. To do so, 120 conversational implicatures were extracted from the novel the Lord of the Rings (Tolkien, 1954) and classified based on Gricechr('39')s (1975) categorization of Maxims, including quality, quantity, relevance, and manner. Mur Duenaschr('...

surah al-`adiyat is one of the controversial surahs as to whether it is a meccan or a medinan surah. if we determine the place of revelation, it can help us in better interpreting and understanding of surah. because of the oaths in the opening lines of this surah, some commentators believe that it concerns jihad which became obligatory in medina. there are also narratives that date the revelati...

In this paper, the effects of different aluminum to silicon ratios in silicate chains of calcium silicate hydrates (C-S-H) are evaluated on the diffusion coefficient of chloride ions by molecular dynamics method. Tobermorite is a crystalline phase that is used for studying C-S-H properties in nano scale, because of its analogous chemical composition to C-S-H. Aluminum incorporation in C-S-H and...