280 research outputs found
APHERP symposium session IV : Higher education, job opportunities and transgenerational inequality
No full textPresented Titles: Massification and Transnationalisation of Higher Education: Challenges for Graduate Employment and Transgenerational Inequality in China [Authors: Joshua Ka-ho Mok; Guo-guo Ke; Tian Zhen] Expanding Higher Education during Economic Downturns: Why China’s Lessons are Hard to Learn From? [Authors: Wing-kit Chan; Jiarun Li] Multiple Factors Affecting Graduate Employability: What Implications for Graduates? [Authors: Yuzhuo Cai; Yulia Shumilova] Graduate Employability and Labour Market Relevance of Norwegian Higher Education: Perspectives from Students [Author: Dian Liu
Chromatic equivalence classes of complete tripartite graphs
No full textAbstractSome necessary conditions on a graph which has the same chromatic polynomial as the complete tripartite graph Km,n,r are developed. Using these, we obtain the chromatic equivalence classes for Km,n,n (where 1≤m≤n) and Km1,m2,m3 (where |mi−mj|≤3). In particular, it is shown that (i) Km,n,n (where 2≤m≤n) and (ii) Km1,m2,m3 (where |mi−mj|≤3, 2≤mi,i=1,2,3) are uniquely determined by their chromatic polynomials. The result (i), proved earlier by Liu et al. [R.Y. Liu, H.X. Zhao, C.Y. Ye, A complete solution to a conjecture on chromatic uniqueness of complete tripartite graphs, Discrete Math. 289 (2004) 175–179], answers a conjecture (raised in [G.L. Chia, B.H. Goh, K.M. Koh, The chromaticity of some families of complete tripartite graphs (In Honour of Prof. Roberto W. Frucht), Sci. Ser. A (1988) 27–37 (special issue)]) in the affirmative, while result (ii) extends a result of Zou [H.W. Zou, On the chromatic uniqueness of complete tripartite graphs Kn1,n2,n3 J. Systems Sci. Math. Sci. 20 (2000) 181–186]
CUHK electronic theses & dissertations collection
No full textTsang, Kit Man.Thesis M.Phil. Chinese University of Hong Kong 2014.Includes bibliographical references (leaves 125-137).Abstracts also in Chinese.Title from PDF title page (viewed on 04, November, 2016)
KNOWLEDGE-BASED INTERNAL CONTROL EVALUATION AND QUALITATIVE MODELLING
No full textMaster'sMASTER OF SCIENC
Chromatic equivalence classes of some families of complete tripartite graphs
No full textWe obtain new necessary conditions on a graph which shares the same chromatic polynomial as that of the complete tripartite graph Km,n,r. Using these, we establish the chromatic equivalence classes for K1,n,n+1 (where n ≥ 2). This gives a partial solution to a question raised earlier by the authors. With the same technique, we further show that Kn−3,n,n+1 is chromatically unique if n ≥ 5. In the more general situation, we show that if 2 ≤ m ≤ n, then Km,n,n+1 is chromatically unique if n is sufficiently large
Heme oxygenase-1 (HO-1) protects human lens epithelial cells (SRA01/04) against hydrogen peroxide (H2O2)-induced oxidative stress and apoptosis
No full textObjectives: This study aimed to investigate the protective role of heme oxygenase-1 (HO-1) in H2O2-induced oxidative stress and apoptosis in human lens epithelial cells (hLEC; SRA01/04). Methods: SRA01/04 cells were exposed to a hydrogen peroxide (H2O2) concentration gradient and inducers of HO-1 such as cobalt protoporphyrin (CoPP) and zinc protoporphyrin (ZnPP), respectively. In addition, an RNA silencing experiment was conducted to investigate the HO-1 function in this study. A Cell Counting Kit-8 (CCK-8) assay was used to measure cell viability. Western blot and ELISA were used to detect the level of HO-1 expression. In our study, hLECs were exposed to 400 mu M hydrogen peroxide (H2O2) for 24 h with or without pretreatment with 10 mu M CoPP or 10 mu M ZnPP, respectively. Double immunofluorescence staining was used for cell identification and the qualitative expression of HO-1. Expression of HO-1 was monitored using Western blot and ELISA. Intracellular reactive oxygen species (ROS) were detected by flow cytometry analyses; commercial enzymatic kits were used to measure the levels of glutathione (GSH), as well as superoxide dismutase (SOD). The proportion of cell apoptosis was quantified by annexin V-fluorescein isothiocyanate (FITC)/propidium iodide (PI) staining. The expression of caspase family (-8,-3) proteins was measured by Western blot analysis. Results: HO-1 significantly restored the cell viability under H2O2 injury via reducing the generation of ROS and increasing the levels of SOD and GSH activity. Moreover, HO-1 also inhibited H2O2-induced caspase-8 and caspase-3 proteins, thus significantly reducing the apoptosis of SRA01/04. An RNA silencing experiment demonstrated the increased resistance of LEC5 to oxidative stress specifically for increased levels of HO-1. Conclusions: These findings suggested that HO-1 protects human lens epithelial cells from H2O2-induced oxidant stress by upregulating antioxidant enzyme activity, reducing ROS generation, and thus inhibiting caspase family-dependent apoptosis. (c) 2016 Elsevier Ltd. All rights reserved.Technology Pillar Program [2012FC-TSYS-3010, 2012BAI08B06]; Beijing Natural Science Foundation [Z151100004015220]; National High Tech Research and Development Program of China [2015AA20511]SCI(E)[email protected]; [email protected]
Predictive rating system
No full textThe consumption and production of online reviews have become an integral part of our modern lives as the Internet takes over as the main source of information. Unfortunately the vast volume of information cannot simply be digested by traditional means – reading, and additional tools will be required to select better ones that are worth reading. This solution should also help in processing highly unstructured texts with subjective opinions.
The development of Natural Language Processing has made it possible to for machines to process through large amounts of textual data and find out important points. This project makes use of text mining and machine learning methods to categorize texts into structured information and then derive a new rating by evaluating the sentiment of the author. This standardized rating also aims to reduce human bias inherent within written reviews.
This project focuses on food review data within a local setting, Singapore, which was scraped from a website. Aside from constructing a new rating system, we are interested in finding out local preferences from their reviews.
Due to a limited length of word lists fed into the system, it was not able to sufficiently recognize and evaluate one particular aspect. Aside from that aspect, the system demonstrated that it performed well in narrowing down customer choices and produced normally distributed ratings.Bachelor of Engineerin
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