Results 41 to 50 of about 16,980,683 (279)
The effect of negation on sentiment analysis and retrieval effectiveness [PDF]
Proceedings of the 18th ACM conference on Information and knowledge management, 2009 We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as "not" appear in a sentence. The concept of the scope of a negation term is introduced. By using a parse tree and typed dependencies generated by a parser and special rules proposed by us, we provide a procedure to identify the ...
Lifeng Jia, Clement T. Yu, Weiyi Meng
openaire +1 more source
Mapping chemical footprints of organic micropollutants in European streams
Environment InternationalThere is increasing awareness that chemical pollution of freshwater systems with complex mixtures of chemicals from domestic sources, agriculture and industry may cause a substantial chemical footprint on water organisms, pushing aquatic ecosystems ...
Saskia Finckh +7 more
doaj +1 more source
Analysis of optical magnetoelectric effect in GaFeO_3
, 2009 We study the optical absorption spectra in a polar ferrimagnet GaFeO_3. We consider the E1, E2 and M1 processes on Fe atoms. It is shown that the magnetoelectric effect on the absorption spectra arises from the E1-M1 interference process through the ...
D. N. Astrov +15 more
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Effect of Hatha yoga on anxiety: a meta-analysis [PDF]
, 2016 OBJECTIVE: Some evidence suggests that Hatha yoga might be an effective practice to reduce anxiety. To examine the effect of Hatha yoga on anxiety, we conducted a meta-analysis of relevant studies extracted from PubMed, PsycINFO, the Cochrane Library ...
Andreoli, Giovanbattista +3 more
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Molecules, 2021 An effect-directed profiling method was developed to investigate 17 different fortified plant extracts for potential benefits. Six planar effect-directed assays were piezoelectrically sprayed on the samples separated side-by-side by high-performance thin-
Gertrud E. Morlock +5 more
doaj +1 more source
Atmosphere, 2023 Annual concentration is a key element to assess the air quality of an area for long-time exposure effects. Nonetheless, obtaining annual concentrations from sensors is costly since it needs to have a year of measurements for each required pollutant.
Xavier Jurado +4 more
doaj +1 more source
The Effect Analysis of Motivation, Competence and Organizational Culture on Employees Performance of Jakarta Social Department [PDF]
, 2019 All this time, government institutions are still overshadowed by stigma, the poor performance of civil servants. Therefore, this research was conducted to analyze the influence of performance factors, including motivation, competence and organizational ...
Finatariani, E. (Endah)
core
Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen +23 more
wiley +1 more source
Zhipu XuebaoThis study presented a novel analytical strategy employing in-situ atmospheric pressure photoionization high-resolution mass spectrometry (in-situ APPI-HRMS) coupled with direct orifice sampling for the online and real-time analysis of heavy gaseous ...
Cun-yong ZHANG +7 more
doaj +1 more source
Vibration analysis utilizing Mossbauer effect [PDF]
, 1967 Measuring instrument analyzes mechanical vibrations in transducers at amplitudes in the range of a few to 100 angstroms. This instrument utilizes the Mossbauer effect, the phenomenon of the recoil-free emission and resonant absorption of nuclear gamma ...
Roughton, N. A.
core +1 more source