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Register a new userDynamic Forecasting of Conversation Derailment
التنبؤ الديناميكي من انحراف المحادثة
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المحادثات عبر الإنترنت يمكن أن تأخذ في بعض الأحيان دورا للأسوأ، إما بسبب الاختلافات الثقافية المنهجية أو سوء الفهم العرضي أو مجرد خبث.تتوقع الانحراف المتوقع تلقائيا في المحادثات العامة على الإنترنت يوفر فرصة للقيام بالإجراءات المبكرة إلى معتدلة.العمل السابق في هذا الفضاء محدود، وتمديده بعدة طرق.نحن نطبق تشفير اللغة المحددة مسبقا للمهمة، والتي تتفوقت على النهج السابقة.سنقوم بمزيد من التجربة مع تحويل نموذج التدريب للمهمة من ثابت إلى ديناميكي واحد لزيادة الأفق التوقعات.يظهر هذا النهج نتائج مختلطة: في إعداد بيانات عالي الجودة، يمكن تحقيق أفق متوسط متوسط الأطول بتكلفة انخفاض صغير في F1؛في إعداد بيانات منخفضة الجودة، ومع ذلك، فإن التدريب الديناميكي ينشر الضوضاء وهو أمر ضار للغاية للأداء.
Online conversations can sometimes take a turn for the worse, either due to systematic cultural differences, accidental misunderstandings, or mere malice. Automatically forecasting derailment in public online conversations provides an opportunity to take early action to moderate it. Previous work in this space is limited, and we extend it in several ways. We apply a pretrained language encoder to the task, which outperforms earlier approaches. We further experiment with shifting the training paradigm for the task from a static to a dynamic one to increase the forecast horizon. This approach shows mixed results: in a high-quality data setting, a longer average forecast horizon can be achieved at the cost of a small drop in F1; in a low-quality data setting, however, dynamic training propagates the noise and is highly detrimental to performance.
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Generative conversation systems tend to produce meaningless and generic responses, which significantly reduce the user experience. In order to generate informative and diverse responses, recent studies proposed to fuse knowledge to improve informativ
eness and adopt latent variables to enhance the diversity. However, utilizing latent variables will lead to the inaccuracy of knowledge in the responses, and the dissemination of wrong knowledge will mislead the communicators. To address this problem, we propose a Syntactically Diverse Adversarial Network (SDAN) for knowledge-grounded conversation model. SDAN contains an adversarial hierarchical semantic network to keep the semantic coherence, a knowledge-aware network to attend more related knowledge for improving the informativeness and a syntactic latent variable network to generate syntactically diverse responses. Additionally, in order to increase the controllability of syntax, we adopt adversarial learning to decouple semantic and syntactic representations. Experimental results show that our model can not only generate syntactically diverse and knowledge-accurate responses but also significantly achieve the balance between improving the syntactic diversity and maintaining the knowledge accuracy.
Despite showing increasingly human-like conversational abilities, state-of-the-art dialogue models often suffer from factual incorrectness and hallucination of knowledge (Roller et al., 2020). In this work we explore the use of neural-retrieval-in-th
e-loop architectures - recently shown to be effective in open-domain QA (Lewis et al., 2020b; Izacard and Grave, 2020) - for knowledge-grounded dialogue, a task that is arguably more challenging as it requires querying based on complex multi-turn dialogue context and generating conversationally coherent responses. We study various types of architectures with multiple components - retrievers, rankers, and encoder-decoders - with the goal of maximizing knowledgeability while retaining conversational ability. We demonstrate that our best models obtain state-of-the-art performance on two knowledge-grounded conversational tasks. The models exhibit open-domain conversational capabilities, generalize effectively to scenarios not within the training data, and, as verified by human evaluations, substantially reduce the well-known problem of knowledge hallucination in state-of-the-art chatbots.
حظيت نمذجة وتوقع السلاسل الزمنية بأهمية كبيرة في العديد من المجالات التطبيقية كالتنبؤ بالطقس وأسعار العملات ومعدلات استهلاك الوقود والكهرباء، إن توقع السلاسل الزمنية من شأنه أن يزود المنظمات والشركات بالمعلومات الضرورية لاتخاذ القرارات الهامة، وبسبب
أهمية هذا المجال من الناحية التطبيقية فإن الكثير من الأعمال البحثية التي جرت ضمنه خلال السنوات الماضية، إضافةً إلى العدد الكبير من النماذج والخوارزميات التي تم اقتراحها في أدب البحث العلمي والتي كان هدفها تحسين كل من الدقة والكفاءة في نمذجة وتوقع السلاسل الزمنية.
Dynamic faceted search (DFS), an interactive query refinement technique, is a form of Human--computer information retrieval (HCIR) approach. It allows users to narrow down search results through facets, where the facets-documents mapping is determine
d at runtime based on the context of user query instead of pre-indexing the facets statically. In this paper, we propose a new unsupervised approach for dynamic facet generation, namely optimistic facets, which attempts to generate the best possible subset of facets, hence maximizing expected Discounted Cumulative Gain (DCG), a measure of ranking quality that uses a graded relevance scale. We also release code to generate a new evaluation dataset. Through empirical results on two datasets, we show that the proposed DFS approach considerably improves the document ranking in the search results.
Summary of subject lines like all components of the electrical power system, for
unexpected breakdowns for multiple reasons. This reduces malfunctions of the reliability
of the system, and is a source of threat to the continuity of power supply. In
order to
prevent these crashes completely is not feasible, you must design an integrated protection
system is being coordinated action among all its organs to identify and separate the
holidays quickly so the damage caused by this failure the system capacity as possible.
Network protection devices are installed to protect it from faults that may occur, and
prevent their spread and protect the system from un normal operating situations resulting
from such faults. protection systems to identify, classify and locate of faults through
systematic analysis of network parameters) voltages/currents, (and then send a signal to
circuit breakers on separation to separate and isolate the infected component.
This thesis took up the study of The effect of wind plants connection on protection system
in distribution networks on behaviour of protection devices used should (over current) and
compare the results with those protections work behavior when connection with regular
generators. we found through modeling and simulation results that a wind station to impose
changes on the structure of power system of protection zones and protection devices in
response to the types of faults occurring and the reason for the delay in the work of these
protections.
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