293 research outputs found

    Learn from Mistakes through Cooperative Interaction with Study Assistant

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    Large language models have demonstrated their ability to self-reflect and refine their generation, which can further improve their performance. However, this feedback mechanism faces challenges such as no guarantee of correctness and the lack of global insight into the model's weaknesses. In this paper, we propose a novel framework, Study Assistant for Large Language Model (SALAM), to aid LLMs in the reflection and refinement process. Motivated by the human study assistant, this framework grades previous responses with the ground truth and collects mistakes in the training phase. During inference, it identifies common misunderstandings based on the mistake collections and provides guidelines for the model to help the model avoid similar mistakes during inference. SALAM is a model-agnostic framework, focusing on providing general feedback and can adapt to any base model. Our evaluation of SALAM on two challenging benchmarks demonstrated a significant improvement over various baselines

    Sino-Canadian parents' perceptions of their children's Chinese literacy development

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    This qualitative study was conducted in a Northwestern Ontario urban community where the population of Sino-Canadian people is approximately 300 members. The purpose of the study was to describe Sino-Canadian parentsā€™ perceptions of Chinese language maintenance, factors which influence their childrenā€™s Chinese literacy development, and the strategies they used to maintain their childrenā€™s family literacy. Data were collected from interviews with six Chinese parents who had school aged children. Three themes emerged from the analysis of the data: general perceptions of language maintenance, family literacy practices, and concerns and issues. The children, parents, and the literacy and language environment of children all play an important role in achieving Chinese language maintenance. Family literacy is a vehicle for promoting Chinese language and culture

    The impact of exchange rate volatility on foreign direct investment (FDI) in BRIC countries

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    1 online resource ( iv, 29 p.) : col. ill.Includes abstract.Includes bibliographical references (p. 25-29).The paper is aimed at exploring the relationship between exchange rate volatility and foreign direct investment in selected emerging economies, specifically, Brazil, Russia, India, and China (BRIC). The sample of data was selected over the period of 1994-2012 for both exchange rate volatility and foreign direct investment for all countries. The standard deviation of monthly exchange rate changes is applied to examine the exchange rate volatility and its influence upon foreign direct investment using an Autoregressive Distributed Lag (ARDL) approach and the Cointegration and Error Correction Model, developed by Pesaran, Shin and Smith (2001). The results indicate a negative long-run relationship between exchange rate volatility and foreign direct investment for India and Russia. The existence of a short-run association was found in China, India, and Russia. However, for Brazil no connection between the two variables was observed

    Crossover from Non-Fermi-Liquid to Pseudogap Behavior in the Spectral of Local Impurity in Power-Law Diverging Multichannel Kondo Model

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    Motivated by the emergence of higher-order van Hove singularities (VHS) with power-law divergent density of states (DOS) (Ļc(Ļ‰)=Ļ0/āˆ£Ļ‰āˆ£r\rho_c(\omega)=\rho_0/|\omega|^{r}, 0<r<10<r<1) in materials, we investigate a multichannel Kondo model involving conduction electrons near the higher-order van Hove filling. This model considers MM channel and NN spin degrees of freedom. Employing a renormalization group analysis and dynamical large-NN approach, our results reveal a crossover from a non-Fermi liquid to pseudogap behavior in the spectral properties of the local impurity at the overscreened fixed point. At this critical fixed point, we precisely determine the conditions under which the crossover occurs, either by tuning the exponent rr or the ratio Īŗ=M/N\kappa=M/N to a critical value. The results of this study provide novel insights into the non-Fermi liquid and pseudogap behaviors observed in strongly correlated systems, shedding light on the intriguing interplay between higher-order van Hove singularities and multichannel Kondo physics.Comment: 5 pages, 5 fugure

    A frequency-domain full waveform inversion method of elastic waves in quantitative defection investigation

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    857-866Full waveform inversion is a challenging data-fitting procedure based on full wave field modeling to extract quantitative information on elastic properties of subsurface structures. We developed a frequency-domain full-waveform inversion method of elastic waves for stratified media, adopting a quasi-linearization method coupled with a random search algorithm. The inversion process of this method is irrelevant to hypocenter function and can be considered as a kind of combination between the heuristic and non-heuristic inversion methods. To verify our method, we apply it to three numerical two-dimensional models with different intermediate structures (dipping, arched and hollow), and their structures are well revealed. With some pretreatments on response waveforms, such as filtering, normalization and correlation analysis, the full-waveform inversion method is extended to models with damaged area and its feasibility and accuracy verified. Alignment of full waveform inversion method and its cost of computing, several strategies exist to treat this quantitative detecting problem. In Chengdu-Chongqing guest emergency project, the application of full waveform inversion method saves a lot of time. In this method, each section only needs 2 detectors and only need to be hammered twice, while the traditional CT (Computed Tomography) test requires 11 detection filters and at least 11 hammering, and each section has 121 waveform data. In some cases, we can obtain some important priori information through field investigation. The priori information can be used to accelerate the inversion process

    Accelerating Antimicrobial Peptide Discovery with Latent Structure

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    Antimicrobial peptides (AMPs) are promising therapeutic approaches against drug-resistant pathogens. Recently, deep generative models are used to discover new AMPs. However, previous studies mainly focus on peptide sequence attributes and do not consider crucial structure information. In this paper, we propose a latent sequence-structure model for designing AMPs (LSSAMP). LSSAMP exploits multi-scale vector quantization in the latent space to represent secondary structures (e.g. alpha helix and beta sheet). By sampling in the latent space, LSSAMP can simultaneously generate peptides with ideal sequence attributes and secondary structures. Experimental results show that the peptides generated by LSSAMP have a high probability of antimicrobial activity. Our wet laboratory experiments verified that two of the 21 candidates exhibit strong antimicrobial activity. The code is released at https://github.com/dqwang122/LSSAMP.Comment: KDD 202
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