W develop a two-stage consumer-level model of paid search advertising response based on standard aggregated data provided to advertisers by major search engines such as Google or Bing. The proposed model uses behavioral primitives in accord with utility maximization and allows recovering parameters of the heterogeneity distribution in consumer preferences. The model is estimated on a novel paid...

This study describes how to extract key terms of the micro-blogs messages, using information obtained by analysing the structure and content of online encyclopaedia Wikipedia. The algorithm used for this target is based on the calculation of "keyphraseness" for each term, i.e., assess the probability that it may be chosen as a key term in the text. During assessment, the developed algorithm has...

The increasing demand for creative individuals in the labor market requires well-prepared professionals, capable of enhancing competitiveness through new ideas and innovative actions. Educational programs should therefore rely on approaches and learning environments that foster creativity. In this study, video game development projects were used as an approach to foster creativity in educationa...

Contextual cueing is a visual search phenomenon in which memory of global visual context guides spatial attention towards task-relevant portions of the search display. Recent work has shown that the learning processes underlying contextual cueing exhibit primacy effects; they are more sensitive to early experience than to later experience. These results appear to pose difficulties for associati...

recently, researches on motor learning have illustrated that learning with effortless process supports learning under psychological stress. also, contextual interference and practice specificity theories are among those theories which investigate desired practice conditions. the current study aimed at identifying cognitive effort and effortless process based on contextual interference and pract...

the present research identified major barriers of isfahan university teachers participation in electronic technology courses. a second goal of this study was to examine the effects of characteristics and demographics of university teachers on these barriers. in this research problems and barriers fell into three distinct categories: personal, perceptual, and contextual. a questionnaire was desi...

Van der Sandt’s theory of presuppositions-as-anaphors is widely considered to be the empirically most adequate theory of presupposition projection on the market. One of the main differences between Van der Sandt’s approach and its main competitor, the ‘contextual satisfaction’ approach, lies in the treatment of the so-called partial match phenomenon. In this paper, we take a closer look at part...

Intrusion detection (ID) systems have become increasingly accepted as an essential layer in the information security infrastructure. However, there has been little research into understanding the human component of ID work. Currently, security analysts face an increasing workload as their environments expand and attacks become more frequent. We conducted contextual interviews with security anal...

The need to assess the trustworthiness of a piece of information has become a prevalent issue due to web vandalism and the openness of platforms such as wikis. In this paper we introduce the notion of contextual accountability: Holding the author of a given statement accountable by deriving a path from the statement to the author’s credentials. We present our own trust vector model as a combina...