We present the results of a weak lensing survey of six high-redshift (z > 0.5), X-ray selected clusters of galaxies. We have obtained ultra-deep R-band images of each cluster with the Keck Telescope, and have measured a weak lensing signal from each cluster. From the background galaxy ellipticities we create two-dimensional maps of the surface mass density of each cluster. We find that the subs...

This work concerns i n t e g r a t i o n between syn tax and semant ics . S y n t a c t i c and semant ic a c t i v i t i e s r e l y on separa te bod ies o f knowledges. I n t e g r a t i o n i s ob ta i ned by e x p l o i t i n g the isomorphism between grammat ica l r e l a t i o n s (among immediate c o n s t i t u ~ e r r s ) and conceptua l r e l a t i o n s , thanks t o a l i m i t e d s...

This extended abstract describes a data structure (ACS) intended to serve as a target for conceptual schema languages and as a source for implementations. It indicates some of the uses to which it has been put.

In the present paper, we introduce an extension of the conceptual graph model suitable to the representation 7 of data which are modelized using fuzzy sets. We extend the specialization relation of the conceptual graph model to fuzzy conceptual graphs. Lastly we introduce a new way of comparing conceptual graphs, using the 9 idea that a graph may be compatible with another graph with a given de...

The generative capacity of language entails an ability to flexibly combine concepts with each other. Conceptual combination can occur either by using an attribute of one concept to describe another (attributive combination) or by forming some relation between two concepts to create a new one (relational combination). Prior research has addressed whether common or distinct processes support thes...

A question of central importance for researchers and practitioners is whether Information Technology (IT) can help build a competitive advantage in constantly changing environments. One characteristic of a firm’s IT infrastructure in particular, flexibility, has been posited as being a critical enabler in attaining competitive performance gains. Yet, despite this suggestion, there is scarce emp...

When politicians negotiate in international climate conventions they may suffer from incomplete information about each other’s preferences about reaching an agreement. As is known, this may cause failure to reach an efficient cooperative agreement. We study the role of the clean development mechanism (CDM) for the likelihood of such failure. The CDM has been introduced in the context of the Kyo...

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In this paper, we introduce a new semantic resource, i.e., conceptual graph bank, for Chinese language. The resource is to provide conceptual information for each sample sentence, which includes concepts, conceptual relationship, head, and conceptual hierarchies. Compared with treebanks, the resource focuses on static semantic information. We also introduce recursive graph to denote the concept...

This paper reviews the inconsistencies surrounding the English metaphor of the Self and demonstrates that 1) similar metaphorical paradoxes concerning the Self exist in Chinese and Japanese, and 2) these paradoxes occur in English, Japanese, and Chinese because the Inner Self (our internal voice) is being compared either with the Social Self (how we interact with others) or the Physical Self (o...