Our focus is on value proposition as a concept of comprehending integration on a Webbased Knowledge Portal for educational purposes. In this early stage of our Portal framework design we bring some discussion of the usefulness in another web tool for learning.

Language theorists have argued that processing negated statements (“The eagle is not in the sky,”) differs from affirmative propositions. However, evidence for these claims comes from studies that did not control for the possibility of numerous states (e.g., the eagle is perched on a branch or on the ground). Here, we explore whether constraining this number of possibilities provides more infor...