This paper addresses the problem of finding or producing the best ordering of the sentences in a text. I focus on using semantic properties of the words, as well as the high-level structure of each of the texts, to produce or choose the best ordering. In choosing an original sentence ordering from a group of sentential permutations of the same text, information about the topic of the text is he...

Introduction Selenium is an essential element to human health at low levels (2080 μg/L), but becomes toxic at elevated levels. Selenium exists in different forms that determine its toxicity and bioavailability. Current research is now focusing on the determination of individual selenium species or seleniumcontaining compounds. This can be done using ICP-MS as a selenium-specific detector for a ...

[1] The role of low-level transpacific paths in bringing east Asian air to the North American west coast surface is determined using conditional transit-time distributions. These distributions are computed with the MATCH transport model driven by NCEP reanalysis data. Transpacific paths that lie entirely below 2.2 km contribute negligibly to the west coast column burden of east Asian air. Howev...

We present a variant of the snapshot model [1] for insect visual homing. In this model a snapshot image is taken by an agent at the goal position. The disparity between current and snapshot images is subsequently used to guide the agent’s return. A matrix of local low-level processing elements is applied here to compute this disparity and transform it into a motion vector. This scheme contrasts...

Societies with low-level food production economies occupy the vast and diverse middle ground between hunting–fishing–foraging and agriculture. Efforts by Ford, Harris, Rindos, Zvelebil, and others to characterize this “in-between” territory are discussed, and a new conceptual framework is proposed. Domestication, the central landmark of this middle ground, is situated well away from the boundar...

Two hazards commonly associated with manual memory management are allocating a block of memory without ever freeing it (memory leak) and attempting to access a block of memory which has already been freed (dangling pointer access). Tofte and Talpin described a “region type” system, in which data in the store is associated with a named region. The expression (e at ⇢) allocates store space for th...

Introduction We can learn a lot by studying the development of object perception and recognition. For example, creating a developmental timeline of perceptual abilities can help to show which tasks are most easily learned and performed. In turn, this ordering can be used to break a complex perception task into a series of simpler components. Studies often reveal impressive perceptual skills in ...

This white paper supports the goal of establishing Computer Vision as a coherent intellectual discipline by suggesting a specific agenda for the unification of many low-level vision principles, algorithms, and data structures. Our goal is to identify a set of highly related low-level vision problems, define their common structure, and establish a coherent intellectual discipline around the shar...