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RISS 인기검색어
- 검색키워드
- 저자 : McHale, Susan M. (검색결과 6 건)
- 무료
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Using a Thesaurus for Conceptual Expression of English Verbs
Myaeng, Sung Hyon,McHale, Michael 충남대학교 기초과학연구소 2001 忠南科學硏究誌 Vol.28 No.2
The meaning of a word is important but for natural language Processing (NLP) systems the representation of the meaning is also an important consideration. We attempt to represent word senses by picking unambiguous labels for each sense of a word and placing these labels, and their corresponding words, into a categorization of conceptual space. In particular, we use Rogets International Thesaurus (RIT) as controlled vocabulary to map English verbs to appropriate places in the thesaurus. This paper introduces the issues and suggests several algorithms with some discussions on future research for improvement.
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Patterns in solute chemistry of six inlet streams to Lake Hövsgöl, Mongolia
Puntsag, Tamir,Owen, Jeffrey S.,Mitchell, Myron J.,Goulden, Clyde E.,McHale, Patrick J. The Ecological Society of Korea 2010 Journal of Ecology and Environment Vol.33 No.4
A number of characteristics of the Lake H$\ddot{o}$vsg$\ddot{o}$l watershed, such as the lake's location at the edge of the Central Asian continuous permafrost zone, provide a unique opportunity to evaluate possible anthropogenic impacts in this remote area in northern Mongolia. In this study, we compared stream solute concentrations in six sub-watersheds in the Lake H$\ddot{o}$vsg$\ddot{o}$l watershed. Water samples were collected during the summer months between 2003 and 2005. Concentrations of $Cl^-$ ranged from 9.8 to $51.3\;{\mu}mol/L$; average nitrate concentrations were very low and ranged from undetectable to $1.1\;{\mu}mol/L$ and average ${SO_4}^{2-}$ concentration at sampling stations with minimal animal grazing ranged from 66 to $294\;{\mu}mol/L$. Average dissolved organic carbon (DOC) concentrations ranged from 642 to $1,180\;{\mu}mol$ C/L. We did not find statistically significant differences in DOC concentrations among the six streams, although DOC concentrations tended to be higher in the two northernmost streams, possibly related to differences in the active layer above the permafrost. Dissolved organic nitrogen (DON) concentrations were correlated with DOC concentration, and followed the same spatial pattern as those for DOC. In streams in this remote watershed, total dissolved nitrogen was made up of mostly organic N, as has been found for other regions distant from anthropogenic N sources. Overall, these results suggest that future research on the dynamics of DOC and DON in this watershed will be especially insightful in helping to understand how changes in climate and land use patterns will affect transformations, retention, and export of dissolved organic matter within these sub-watersheds in the Lake H$\ddot{o}$vsg$\ddot{o}$l region.
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Correlates of gendered vocational development from middle childhood to young adulthood
Lawson, Katie M.,Lee, Bora,Crouter, Ann C.,McHale, Susan M. Elsevier 2018 Journal of vocational behavior Vol.107 No.-
<P><B>Abstract</B></P> <P>Most research on the developmental correlates of gendered vocational aspirations and attainment utilizes cross-sectional designs and begins in adolescence or later. This study used longitudinal data collected from U.S. youth from age 11 to 26 to: (1) chart their gendered vocational development, that is, the gender typicality of vocational aspirations in middle childhood and adolescence and attainment in young adulthood; and (2) examine childhood gendered attributes as predictors of gendered vocational development. Results revealed that gendered vocational development differed for men and women: women's aspirations in childhood and adolescence were less gender-typical compared to their vocational fields attained in young adulthood, whereas men's remained gender-typical from childhood to young adulthood. Further, childhood attributes predicted aspirations and attainment <I>and</I> their developmental trajectory.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Gendered vocational development from childhood to adulthood differed for men and women. </LI> <LI> Females aspired to less but entered more stereotypical vocational fields. </LI> <LI> Males aspired to and attained stereotypical vocational fields from childhood to adulthood. </LI> <LI> Childhood attributes predicted gendered aspirations and attainment. </LI> <LI> Childhood gender-typical skills predicted gendered vocational developmental trajectory. </LI> </UL> </P>
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Patterns in solute chemistry of six inlet streams to Lake Hövsgöl, Mongolia
Tamir Puntsag,Jeffrey S. Owen,Myron J. Mitchell,Clyde E. Goulden,Patrick J. McHale 한국생태학회 2010 Journal of Ecology and Environment Vol.33 No.4
A number of characteristics of the Lake Hövsgöl watershed, such as the lake’s location at the edge of the Central Asian continuous permafrost zone, provide a unique opportunity to evaluate possible anthropogenic impacts in this remote area in northern Mongolia. In this study, we compared stream solute concentrations in six sub-watersheds in the Lake Hövsgöl watershed. Water samples were collected during the summer months between 2003 and 2005. Concentrations of Cl⁻ ranged from 9.8 to 51.3 μmol/L; average nitrate concentrations were very low and ranged from undetectable to 1.1 μmol/L and average SO₄²⁻ concentration at sampling stations with minimal animal grazing ranged from 66 to 294μmol/L. Average dissolved organic carbon (DOC) concentrations ranged from 642 to 1,180 μmol C/L. We did not find statistically significant differences in DOC concentrations among the six streams, although DOC concentrations tended to be higher in the two northernmost streams, possibly related to differences in the active layer above the permafrost. Dissolved organic nitrogen (DON) concentrations were correlated with DOC concentration, and followed the same spatial pattern as those for DOC. In streams in this remote watershed, total dissolved nitrogen was made up of mostly organic N, as has been found for other regions distant from anthropogenic N sources. Overall, these results suggest that future research on the dynamics of DOC and DON in this watershed will be especially insightful in helping to understand how changes in climate and land use patterns will affect transformations, retention, and export of dissolved organic matter within these sub-watersheds in the Lake Hövsgöl region.
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