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"Tao, Li"
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Event mining : algorithms and applications
\"Event mining encompasses techniques for automatically and efficiently extracting valuable knowledge from historical event/log data. The field, therefore, plays an important role in data-driven system management. Event Mining: Algorithms and Applications presents state-of-the-art event mining approaches and applications with a focus on computing system management. The book first explains how to transform log data in disparate formats and contents into a canonical form as well as how to optimize system monitoring. It then describes intelligent and efficient methods and algorithms to perform data-driven pattern discovery and problem determination for managing complex systems. The book also discusses data-driven approaches for the detailed diagnosis of a system issue and addresses the application of event summarization in Twitter messages (tweets). Understanding the interdisciplinary field of event mining can be challenging as it requires familiarity with several research areas and the relevant literature is scattered in diverse publications. This book makes it easier to explore the field by providing both a good starting point if you are not familiar with the topics and a comprehensive reference if you are already working in this area\"--Back cover.
Book
Plant Disease Resistance-Related Signaling Pathways: Recent Progress and Future Prospects
Plant–pathogen interactions induce a signal transmission series that stimulates the plant’s host defense system against pathogens and this, in turn, leads to disease resistance responses. Plant innate immunity mainly includes two lines of the defense system, called pathogen-associated molecular pattern-triggered immunity (PTI) and effector-triggered immunity (ETI). There is extensive signal exchange and recognition in the process of triggering the plant immune signaling network. Plant messenger signaling molecules, such as calcium ions, reactive oxygen species, and nitric oxide, and plant hormone signaling molecules, such as salicylic acid, jasmonic acid, and ethylene, play key roles in inducing plant defense responses. In addition, heterotrimeric G proteins, the mitogen-activated protein kinase cascade, and non-coding RNAs (ncRNAs) play important roles in regulating disease resistance and the defense signal transduction network. This paper summarizes the status and progress in plant disease resistance and disease resistance signal transduction pathway research in recent years; discusses the complexities of, and interactions among, defense signal pathways; and forecasts future research prospects to provide new ideas for the prevention and control of plant diseases.
Journal Article
Triglyceride-glucose index as a marker in cardiovascular diseases: landscape and limitations
The triglyceride-glucose (TyG) index has been identified as a reliable alternative biomarker of insulin resistance (IR). Recently, a considerable number of studies have provided robust statistical evidence suggesting that the TyG index is associated with the development and prognosis of cardiovascular disease (CVD). Nevertheless, the application of the TyG index as a marker of CVD has not systemically been evaluated, and even less information exists regarding the underlying mechanisms associated with CVD. To this end, in this review, we summarize the history of the use of the TyG index as a surrogate marker for IR. We aimed to highlight the application value of the TyG index for a variety of CVD types and to explore the potential limitations of using this index as a predictor for cardiovascular events to improve its application value for CVD and provide more extensive and precise supporting evidence.
Journal Article
البحار والمحيطات
يتناول كتاب \"البحار والمحيطات\" والذي قاما بتأليفه \"هان كيدي، وانغ بينشيان\" في حوالي (185) صفحة من القطع المتوسط موضوع (البحار والمحيطات)، هذا الكتاب من ضمن كتب سلسلة مئة ألف لماذا وهي مجموعة من الكتب العلمية التي نشرتها دار نشر الأطفال عام 1961 وعلى مدار نصف قرن تم إصدار هذه الكتب واحد تلو الآخر في خمس طبعات، تتضمن السلسلة مجموعة من المواد المثبتة علميا لأجيال الأطفال، بحيث تروج هذه السلسلة لنشر الروح العلمية، وتنشر المعرفة العلمية بين العقول الناشئة، وتعزز الجودة والمعلومات العلمية للأطفال. وهذا الكتاب يتحدث بلغة سهلة ويسيرة حيث يقدم معلومات كثيرة حول البحار والمحيطات في العالم.
BOOK
Outsourcing Corporate Governance: Conflicts of Interest Within the Proxy Advisory Industry
Proxy advisory firms wield large influence with voting shareholders. However, conflicts of interest may arise when an advisor sells services to both investors and issuers. Using a unique data set on voting recommendations, I find that for most types of proposals, competition from a new entrant reduces favoritism toward management by an incumbent advisor that serves both corporations and investors. The results are not driven by factors that influence the entrant’s coverage decision, such as the marginal cost of new coverage or previously biased recommendations by the incumbent. Similar to other information intermediaries, biased advice by proxy advisors is shown to have real, negative consequences that allow management to enjoy greater private benefits. These results suggest conflicts of interest are a real concern in the proxy advisory industry, and increasing competition could help alleviate them.
This paper was accepted by Neng Wang, finance
.
Journal Article
الكرز أثمر على شجر الرمان : رواية
كان الجو جميلا، فبعد هطول الأمطار، تحول لون القمح إلى اللون الأخضر، وسيطرت على الجو رائحة العشب الأخضر. هذه الرائحة حلوة بعض الشيء ومريرة بعض الشيء، دافئة قليلا وباردة قليلا، كم يُفرح هذا الجوّ القلب وينعش الذهن ! في ذلك الحين، كان قلب \"فان خوا\" يشعر بالراحة والطمأنينية. وفي المساء أثناء موعد عقد الاجتماع شعرت أن رؤوس الحيوانات المفترسة التي تعلو جانبي سقف المسرح جميلة المنظر، وضوء القمر أيضاً ساحر للغاية يشبه ثغر فتاة جميلة تضحك. لذا ابتسمت، إلا أن ضحكتها لم تكن ظاهرة على وجهها، بل كانت مختفية داخل قلبها.
Diversification of Rosaceae since the Late Cretaceous based on plastid phylogenomics
Phylogenetic relationships in Rosaceae have long been problematic because of frequent hybridisation, apomixis and presumed rapid radiation, and their historical diversification has not been clarified.
With 87 genera representing all subfamilies and tribes of Rosaceae and six of the other eight families of Rosales (outgroups), we analysed 130 newly sequenced plastomes together with 12 from GenBank in an attempt to reconstruct deep relationships and reveal temporal diversification of this family.
Our results highlight the importance of improving sequence alignment and the use of appropriate substitution models in plastid phylogenomics. Three subfamilies and 16 tribes (as previously delimited) were strongly supported as monophyletic, and their relationships were fully resolved and strongly supported at most nodes. Rosaceae were estimated to have originated during the Late Cretaceous with evidence for rapid diversification events during several geological periods. The major lineages rapidly diversified in warm and wet habits during the Late Cretaceous, and the rapid diversification of genera from the early Oligocene onwards occurred in colder and drier environments.
Plastid phylogenomics offers new and important insights into deep phylogenetic relationships and the diversification history of Rosaceae. The robust phylogenetic backbone and time estimates we provide establish a framework for future comparative studies on rosaceous evolution.
Journal Article
Coupling N2 and CO2 in H2O to synthesize urea under ambient conditions
The use of nitrogen fertilizers has been estimated to have supported 27% of the world’s population over the past century. Urea (CO(NH2)2) is conventionally synthesized through two consecutive industrial processes, N2 + H2 → NH3 followed by NH3 + CO2 → urea. Both reactions operate under harsh conditions and consume more than 2% of the world’s energy. Urea synthesis consumes approximately 80% of the NH3 produced globally. Here we directly coupled N2 and CO2 in H2O to produce urea under ambient conditions. The process was carried out using an electrocatalyst consisting of PdCu alloy nanoparticles on TiO2 nanosheets. This coupling reaction occurs through the formation of C–N bonds via the thermodynamically spontaneous reaction between *N=N* and CO. Products were identified and quantified using isotope labelling and the mechanism investigated using isotope-labelled operando synchrotron-radiation Fourier transform infrared spectroscopy. A high rate of urea formation of 3.36 mmol g–1 h–1 and corresponding Faradic efficiency of 8.92% were measured at –0.4 V versus reversible hydrogen electrode.Conventionally, urea is synthesized via two consecutive processes, N2 + H2 → NH3 followed by NH3 + CO2. Now, an electrocatalyst consisting of PdCu alloy nanoparticles on TiO2 nanosheets has been shown to directly couple N2 and CO2 in H2O to produce urea under ambient conditions.
Journal Article