This report assumes that an operator's console constitutes a third form of memory in addition to that integral, to the human and that integral to the machine which is not directly accessible to the human. Questions are raised concerning the characteristic modes of human storage and retrieval of information from internal memory when such external memory is accessible. The report also introduces ...

Abstract—Keyword Search is known as a user-friendly alternative for structured languages to retrieve information from graph-structured data. Efficient retrieving of relevant answers to a keyword query and effective ranking of these answers according to their relevance are two main challenges in the keyword search over graph-structured data. In this paper, a novel scoring function is proposed, w...

Due to the huge amount of data published on the Web, the Web search process has become more difficult, and it is sometimes hard to get the expected results, especially when the users are less certain about their information needs. Several efforts have been proposed to support exploratory search on the web by using query expansion, faceted search, or supplementary information extracted from exte...

One important question in cognitive science is how humans search for useful resources in the environment. Indeed, understanding the search process is often a critical step for studying how an agent learns, adapts, and behaves in an uncertain environment. More generally, search is required whenever an agent faces a problem and there are uncertainties involved during the process of solving the pr...