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We report on the design of a system that enables the user to perform retrieval of items of interest both by browsing an automatically constructed very large hypertext and by spreading activation on the hypertext network itself. It is this second option that is particularly interesting since it enables the user to retrieve items that have not been visited, but that are similar to items flagged a...

The cognitive modeling community is presently divided between two different approaches to the spread of activation through networks. One school holds that symbolic information must be progagated, the other that numeric weights are used and activation spreads in a more analog manner. In this paper we describe a mechanism which allows the two processes to be merged via the introduction into the s...

This paper presents Nootropia, a self-organising information agent, capable of evaluating documents according to a user’s multiple and changing interests. In Nootropia, a hierarchical term network that takes into account term dependencies is used to represent a user’s multiple topics of interest. Non-linear document evaluation is established on that network based on a directed spreading activat...

The usual source of crosshnguistic influence in the interlanguage of a person learning a first foreign language (L2) is quite obviously his/her LI Pinpointing the source of crosshnguistic influences in the interlanguage of a multilingual speaker is less straightforward The main source of crosshnguistic influence m the L3 of a speaker is not automatically, as the present study shows, the LI of t...

This study examines the phenomenon of post-aspirated voiceless stops in Western Andalusian Spanish in /s/ + voiceless stop sequences. Previous analyses have proposed that the post-aspiration arises through a reorganization of the glottal spreading gesture for /s/ and the oral constriction gesture for the stop. This theory is tested by steadily increasing speakers' production rate, which has bee...

The goal of this study is to introduce a new type of evidence to the debate on the nature of what is known in the literature as quantifier spreading (q-spreading), also referred to as the “symmetry error”. Since the work of Inhelder and Piaget (1964), it has been known that until the age of 7–8, children’s responses are frequently different from those of adults when judging the truth-value of s...

Social bookmark services like del.icio.us enable easy annotation for users to organize their resources. Collaborative tagging provides useful index for information retrieval. However, lack of sufficient tags for the developing documents, in particular for new arrivals, hides important documents from being retrieved at the earlier stages. This paper proposes a spreading activation approach to pr...