It is often claimed that Named Ent i ty recognition systems need extensive gazetteers--lists of names of people, organisations, locations, and other named entities. Indeed, the compilation of such gazetteers is sometimes mentioned as a bottleneck in the design of Named Ent i ty recognition systems. We report on a Named Entity recognition system which combines rule-based grammars with statistica...

Evidence from the Finnish Twin Registry (e.g., Rose et al., 1988) shows that adult monozygotic (MZ) twins are more similar, within pairs, in personality if the cotwins are presently cohabiting or in frequent contact than if they are seldom in contact. Results of a follow-up study led Kaprio et al. (1990) to conclude that "'changes in social contact between monozygotic cotwins precede (and causa...

We have identified mutations in seven unlinked genes (SPT genes) that affect the phenotypes of Ty and delta insertion mutations in the 5' noncoding region of the HIS4 gene of S. cerevisiae. Spt mutants were selected for suppression of his4-912 delta, a solo delta derivative of Ty912. Other Ty and delta insertions at HIS4 are suppressed by mutations in some but not all of the SPT genes. Only spt...

Meiotic recombination is initiated by large numbers of developmentally programmed DNA double-strand breaks (DSBs), ranging from dozens to hundreds per cell depending on the organism. DSBs formed in single-copy sequences provoke recombination between allelic positions on homologous chromosomes, but DSBs can also form in and near repetitive elements such as retrotransposons. When they do, they cr...

Abstract In this paper, we investigate the conditions on control mappings $\psi ,\varphi :(0,\infty )\rightarrow \mathbb{R}$ ? , ? : ( 0 ? ) ? R that guarant...

The fatty liver of mule ducks (i.e., French "foie gras") is the most valuable product in duck production systems. Its quality is measured by the technological yield, which is the opposite of the fat loss during cooking. The purpose of this study was to determine whether biochemical measures of fatty liver could be used to accurately predict the technological yield (TY). Ninety-one male mule duc...

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The his4-917 mutation of yeast results from the insertion of a Ty element, Ty917, into the 5' regulatory region of the HIS4 gene. Ty917 prevents HIS4 transcription, thus rendering the cell histidine requiring. Recombination between Ty917 and a Ty element elsewhere in the yeast genome can result in the replacement of part or all of the Ty917 element by sequences from the Ty element. Recombinant ...