Recent advancements in deep learning and artificial intelligence have driven significant progress in time series modeling and analysis. On one hand, researchers seek breakthroughs in performance on classical tasks such as forecasting, anomaly detection, classification, etc. On the other hand, it is intriguing to explore the potential for answering more complex inference and reasoning tasks from time series. In this keynote, I will examine the pathways toward foundation models for time series and discuss future research directions in this rapidly evolving field. The remarkable success of foundation models in natural language processing - exemplified by Generative Pre-trained Transformers (GPT) - suggests their potential to revolutionize time series analysis. I will introduce our recent efforts along this direction, including TEMPO, a novel framework designed to learn effective time series representations by leveraging two key inductive biases: one is explicit decomposition of trend, seasonal, and residual components, and the second is prompt-based distribution adaptation for diverse time series types. Beyond representation learning, practical applications demands advanced reasoning capabilities with multi-step time series inference task, requiring both compositional reasoning and computational precision. To tackle this challenge, I will discuss TS-reasoner, a program-aided inference agent that integrates large language models (LLMs) with structured execution pipelines, in-context learning, and self-correction mechanisms. I will discuss a new benchmark dataset and evaluation framework to systematically assess multi-step time series reasoning. By bridging deep learning advances with structured reasoning, I will highlight the next frontier in time series research, i.e., developing foundation models that enhance forecasting performance, generative models, and reasoning capabilities from time series across diverse applications.
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Large Language Models (LLMs) are revolutionizing E-Commerce by enabling product recommendation, search, classification, question answering, and advertising applications. Their increasing adoption in real-world systems underscores their potential; however, challenges persist in ensuring accuracy, efficiency, fairness, and privacy. This workshop aims to bring together researchers and industry practitioners to explore both the limitations and opportunities of LLMs in e-commerce. The workshop seeks to foster collaboration, bridge the gap between academia and industry, and drive innovation in the application of LLMs to E-Commerce through discussions on model design, algorithmic advancements, and practical deployment.
Feature engineering remains a crucial technique for improving the performance of models trained on tabular data. Unlike computer vision and natural language processing, where deep learning models automatically extract hierarchical features from raw data, the most accurate tabular models, such as gradient boosted decision trees, still benefit significantly from manually crafted features. This is demonstrated in Team NVIDIA's many first-place data science competition victories. Fast experimentation in feature engineering is essential to quickly discover the most valuable features that improve model performance. In this tutorial, we use NVIDIA cuDF and cuML libraries to accelerate the experimentation pipeline on GPU, allowing us to search for and engineer new features more rapidly and build more accurate models faster. First, participants will be introduced to specific feature engineering techniques: normalization, binning, count encoding, and target encoding. These techniques will be taught using the Amazon product review dataset that contains product reviews from May 1996 through July 2014. Specifically, we will use the electronic category of this dataset that contains 1,689,188 reviews. Next, they will train gradient boosted decision tree models and support vector classification models with and without feature engineering. Participants will learn how engineered features can significantly boost the accuracy of ML models, and by the end of the tutorial, they will gain practical techniques that can be immediately applied to their real-world use cases.
Finding Repeated Structures in Time Series: Algorithms and Applications: A Unifying View of Time Series Motifs/Shapelets/Chains and Similar Primitives
PDF ↗Repeated structures in time series (time series motifs) are interesting in their own right and are often used in downstream algorithms for tasks as diverse as classification, clustering, rule-discovery, segmentation, summarization, compression and anomaly detection. If a structure is repeated, that hints at some mechanism of conservation, and the discovery of conserved structure is one of the most basic tools/goals of science. In this survey (which is a companion to a tutorial) I show the two key ideas needed to do successful time series motif discovery. First, making a computationally hard problem tractable; by the use of anytime algorithms, contract algorithms and specialist hardware. I will further review work on how to obtain more meaningful results by considering additional constraints on the returned patterns. For example, class conditional motifs (i.e. shapelets), motifs with a drift (i.e. time series chains), motifs that exist in two or more time series (motif-joins, consensus motifs), range motifs, KNN motifs etc. The companion tutorial is illustrated with novel interesting examples from science, industry, entertainment and medicine. Moreover, the tutorial slides will contain code snippets and a data archive that will allow the community to reproduce all the results and then generalize them to their own domain of interest.
Large Language Models (LLMs) have revolutionized natural language processing with their remarkable capabilities in text generation and reasoning. However, these models face critical challenges when deployed in real-world applications, including hallucination generation, outdated knowledge, and limited domain expertise. Retrieval And Structuring (RAS) Augmented Generation addresses these limitations by integrating dynamic information retrieval with structured knowledge representations. This survey (1) examines retrieval mechanisms including sparse, dense, and hybrid approaches for accessing external knowledge; (2) explore text structuring techniques such as taxonomy construction, hierarchical classification, and information extraction that transform unstructured text into organized representations; and (3) investigate how these structured representations integrate with LLMs through prompt-based methods, reasoning frameworks, and knowledge embedding techniques. It also identifies technical challenges in retrieval efficiency, structure quality, and knowledge integration, while highlighting research opportunities in multimodal retrieval, cross-lingual structures, and interactive systems. This comprehensive overview provides researchers and practitioners with insights into RAS methods, applications, and future directions.
Revolutionizing Database Q&A with Large Language Models: Comprehensive Benchmark and Evaluation
PDF ↗The development of Large Language Models (LLMs) has revolutionized QA across various industries, including the database domain. However, there lacks a thorough evaluation regarding the capabilities of different LLMs in database QA. To this end, we introduce DQABench, the first comprehensive database QA benchmark for LLMs. DQABench features an innovative LLM-based method to automate the generation, cleaning, and rewriting of evaluation dataset, resulting in over 200,000 QA pairs in English and Chinese. These QA pairs cover a wide range of database-specific knowledge extracted from manuals, online communities, and DB instances, allowing for assessment of LLMs' Retrieval-Augmented Generation (RAG) and Tool Invocation Generation (TIG) capabilities in the database QA task. Furthermore, we propose a highly modular and scalable testbed DQATestbed, with basic and advanced components such as Fine-tuning, Question Classification Routing (QCR), RAG, TIG, and Prompt Template Engineering (PTE). Finally, we provide an evaluation pipeline that computes various metrics throughout a standardized evaluation process to ensure the accuracy and fairness. Our evaluation reveals the strengths and limitations of nine open-source and commercial LLMs, and the impact of various service components (e.g., fine-tuning, QCR, RAG, TIG). The proposed benchmark dataset is available at https://github.com/XMUDM/DQABench.
Explainable AI (XAI) has gained significant attention for providing insights into the decision-making processes of deep learning models, particularly for image classification tasks through saliency-based visual explanations. Despite their success, key challenges persist due to the scarcity of annotated datasets and the absence of standardized evaluation protocols. In this paper, we introduce Saliency-Bench, a novel benchmark designed to evaluate visual explanations generated by saliency methods across multiple datasets. We curated, constructed, and annotated eight datasets, each covering diverse tasks such as scene classification, cancer diagnosis, object classification, and action classification, with corresponding ground-truth explanation annotations. The benchmark includes a standardized and unified evaluation pipeline for assessing faithfulness and alignment of the visual explanation, providing a holistic visual explanation performance assessment. We benchmark these eight datasets with widely used saliency methods on different image classifier architectures to evaluate explanation quality. Additionally, we developed an user-friendly toolkit for automating the evaluation pipeline, from data accessing, and data loading, to result evaluation. The benchmark is available at https://github.com/XAIdataset/XAIdataset.github.io.
Event Sequences (EvS ) refer to sequential data characterized by irregular sampling intervals and a mix of categorical and numerical features. Accurate classification of these sequences is crucial for various real-life applications, including healthcare, finance, and user interaction. Despite the popularity of the EvS classification task, there is currently no standardized benchmark or rigorous evaluation protocol. This lack of standardization makes it difficult to compare results across studies, which can result in unreliable conclusions and hinder progress in the field. To address this gap, we present EBES, a comprehensive benchmark for EvS classification with sequence-level targets. EBES features standardized evaluation scenarios and protocols, along with an open-source PyTorch library. Code is available at https://github.com/On-Point-RND/EBES. Preprocessed data is available at https://huggingface.co/datasets/On-Point-Rnd/ebes that implements 9 modern models. Additionally, it includes the largest collection of EvS datasets, featuring 10 curated datasets, including a novel synthetic dataset and real-world data with the largest publicly available banking dataset. The library offers user-friendly interfaces for integrating new methods and datasets. Our benchmarking results highlight the unique properties of EvS compared to other sequential data types, provide a performance ranking of modern models-with GRU-based models achieving the best results-and reveal the challenges associated with robust EvS learning. The goal of EBES is to facilitate reproducible research, expedite progress in the field, and increase the real-world impact of EvS classification techniques.
Capillary Dataset: A Dataset of Nail-fold Capillaries Captured by Microscopy for Diabetes Detection
PDF ↗Diabetes mellitus is a chronic condition marked by insufficient insulin utilization or production, causing metabolic dysregulation. If not controlled, it can cause serious complications that affect major organ systems such as the cardiovascular and ocular systems. Early diagnosis is essential for timely interventions to ensure effective glycemic control and lower the risk of complications. The present study introduced a robust and comprehensive dataset derived from nail-fold capillaroscopy. This dataset, which includes imaging and some video data from 126 individuals diagnosed with type 2 diabetes mellitus (T2DM) alongside 76 healthy controls, consisted of 3283 images obtained from diabetic subjects and 3412 images from non-diabetic participants. All images were acquired at 390× high magnification with a high resolution of 640×480 pixels, including corresponding video data, ensuring a thorough and detailed dataset for our study. The dataset was organized into two analytical tracks. The first track focused on nail-fold morphology, classifying images into four types: hairpin, crossing, tortuous, and bushy. After filtering out duplicates and low-quality images, 1279 images were selected for analysis. The second track involved binary classification for the detection of diabetes, differentiating healthy individuals from people with diabetes. This utilized the complete dataset and the augmented versions created by combining multiple images into composite formats to enhance feature representation. Additionally, we evaluated several benchmark deep-learning models such as Vision Transformers (ViT) and Convolutional Neural Networks (CNNs) for morphological classification and diabetes detection tasks. This analysis illuminated current model performance, highlighted challenges, and paved the way for future research opportunities. Importantly, this dataset is critical and holds significant potential for advancing non-invasive automated diagnostic methodologies in diabetes-related nail-fold capillary research, offering a promising future for diabetes research. The dataset is available at: https://huggingface.co/datasets/HanaNguyen/Capillary-Dataset. The github: https://github.com/urgonguyen/Capillarydataset.git.
On the Generalization and Adaptation Ability of Machine-Generated Text Detectors in Academic Writing
PDF ↗The rising popularity of large language models (LLMs) has raised concerns about potential abuse and harmful content. As a result, developing a highly generalizable and adaptable machine-generated text (MGT) detection system has become an urgent priority. Given that LLMs are most commonly misused in academic writing, this work investigates the generalization and adaptation capabilities of MGT detectors in three key aspects specific to academic writing: First, we construct MGT-Academic, a large-scale dataset comprising over 336M tokens and 749K samples. MGT-Academic focuses on academic writing, featuring human-written texts (HWTs) and MGTs across STEM, Humanities, and Social Sciences, paired with an extensible code framework for efficient benchmarking. Second, we benchmark the performance of various detectors for binary classification and text attribution tasks in both in-domain and cross-domain settings. This benchmark reveals the often-overlooked challenges of text attribution tasks. Third, we introduce a novel text attribution task in which models must adapt to new classes over time, with little or no access to prior training data, spanning both few-shot and many-shot scenarios. We implement a range of adaptation techniques to enhance performance across these settings. Our findings provide new insights into the generalization ability of MGT detectors and lay the foundation for building robust, adaptive detection systems. The code framework is available at https://github.com/Y-L-LIU/MGTBench-2.0.
The detection of methane emissions has drawn significant attention from researchers, as methane is one of the main contributors to global warming. Due to their high accessibility and extensive coverage, satellite-based remote sensing data have become a widely used tool for studying methane emissions. The multispectral satellite Sentinel-2 is particularly prominent for studies related to methane, as it provides shortwave infrared (SWIR) spectral band data that align with the methane absorption line. Previous studies on methane emission detection using Sentinel-2 data rely mainly on synthetic data, which involves simulated methane emission plumes overlaid on real Sentinel-2 backgrounds. However, our analysis reveals that Sentinel-2 images with simulated plumes exhibit different data distributions and visual characteristics from those of real-world data. Moreover, these studies typically use only a single reference image as a clean background along with the plume image, which we find to be insufficient. Finally, the lack of publicly available benchmarks hinders research and development in this domain. To address these challenges, we introduce the MethaneS2CM dataset for methane emission detection, collected from Sentinel-2 multispectral data and the CarbonMapper platform. Our dataset consists of two main products (L1C and L2A) of Sentinel-2, including over 4000 plumes from 43 countries, ranging from 2016 to 2024. The dataset incorporates both long-term and short-term variations in Sentinel-2 images, with each sample consisting of images captured at different time periods. Furthermore, we conduct extensive experiments to evaluate a wide range of existing methane emission detection methods and models based on this dataset. We subsequently propose a deep methane emission classification model, MEECNet. Experimental results demonstrate that MEECNet outperforms all baseline methods. Our dataset is publicly available at https://huggingface.co/datasets/H1deaki/MethaneS2CM.
ZooplanktonBench: A Geo-Aware Zooplankton Recognition and Classification Dataset from Marine Observations
PDF ↗Plankton are small drifting organisms found throughout the world's oceans and can be indicators of ocean health. One component of this plankton community is the zooplankton, which includes gelatinous animals and crustaceans (e.g. shrimp), as well as the early life stages (i.e., eggs and larvae) of many commercially important fishes. Being able to monitor zooplankton abundances accurately and understand how populations change in relation to ocean conditions is invaluable to marine science research, with important implications for future marine seafood productivity. While new imaging technologies generate massive amounts of video data of zooplankton, analyzing them using general-purpose computer vision tools turns out to be highly challenging due to the high similarity in appearance between the zooplankton and its background (e.g., marine snow). In this work, we present the ZooplanktonBench, a benchmark dataset containing images and videos of zooplankton associated with rich geospatial metadata (e.g., geographic coordinates, depth, etc.) in various water ecosystems. ZooplanktonBench defines a collection of tasks to detect, classify, and track zooplankton in challenging settings, including highly cluttered environments, living vs non-living classification, objects with similar shapes, and relatively small objects. Our dataset presents unique challenges and opportunities for state-of-the-art computer vision systems to evolve and improve visual understanding in dynamic environments characterized by significant variation and the need for geo-awareness. The code and settings described in this paper can be found on our website: https://lfk118.github.io/ZooplanktonBench_Webpage.
Graph mining has become crucial in fields such as social science, finance, and cybersecurity. Many large-scale real-world networks exhibit both heterogeneity, where multiple node and edge types exist in the graph, and heterophily, where connected nodes may have dissimilar labels and attributes. However, existing benchmarks primarily focus on either heterophilic homogeneous graphs or homophilic heterogeneous graphs, leaving a significant gap in understanding how models perform on graphs with both heterogeneity and heterophily. To bridge this gap, we introduce H2GB, a large-scale node-classification graph benchmark that brings together the complexities of both the heterophily and heterogeneity properties of real-world graphs. H2GB encompasses 9 real-world datasets spanning 5 diverse domains, 28 baseline models, and a unified benchmarking library with a standardized data loader, evaluator, unified modeling framework, and an extensible framework for reproducibility. We establish a standardized workflow supporting both model selection and development, enabling researchers to easily benchmark graph learning methods. Extensive experiments across 28 baselines reveal that current methods struggle with heterophilic and heterogeneous graphs, underscoring the need for improved approaches. Finally, we present a new variant of the model, H2G-former, developed following our standardized workflow, that excels at this challenging benchmark. Both the benchmark and the framework are publicly available at Github and PyPI, with documentation hosted at https://junhongmit.github.io/H2GB.
A lack of accessible data has historically restricted malware analysis research, and practitioners have relied heavily on datasets provided by industry sources to advance. Existing public datasets are limited by narrow scope - most include files targeting a single platform, have labels supporting just one type of malware classification task, and make no effort to capture the evasive files that make malware detection difficult in practice. We present EMBER2024, a new dataset that enables holistic evaluation of malware classifiers. Created in collaboration with the authors of EMBER2017 and EMBER2018, the EMBER2024 dataset includes hashes, metadata, feature vectors, and labels for more than 3.2 million files from six file formats. Our dataset supports the training and evaluation of machine learning models on seven malware classification tasks, including malware detection, malware family classification, and malware behavior identification. EMBER2024 is the first to include a collection of malicious files that initially went undetected by a set of antivirus products, creating a ''challenge'' set to assess classifier performance against evasive malware. This work also introduces EMBER feature version 3, with added support for several new feature types. We are releasing the EMBER2024 dataset to promote reproducibility and empower researchers in the pursuit of new malware research topics.
Bridging the Binary Analysis Gap: A Cross-Compiler Dataset and Neural Framework for Industrial Control Systems
PDF ↗Industrial Control Systems (ICS) rely heavily on Programmable Logic Controllers (PLCs) to manage critical infrastructure, yet analyzing PLC executables remains challenging due to diverse proprietary compilers and limited access to source code.To bridge this gap, we introduce PLC-BEAD, a comprehensive dataset containing 2431 compiled binaries from 700+ PLC programs across four major industrial compilers (CoDeSys, GEB, OpenPLC-V2, OpenPLC-V3). This novel dataset uniquely pairs each binary with its original Structured Text source code and standardized functionality labels, enabling both binary-level and source-level analysis. We demonstrate the dataset's utility through PLCEmbed, a transformer-based framework for binary code analysis that achieves 93% accuracy in compiler provenance identification and 42% accuracy in fine-grained functionality classification across 22 industrial control categories. Through comprehensive ablation studies, we analyze how compiler optimization levels, code patterns, and class distributions influence model performance. We provide detailed documentation of the dataset creation process, labeling taxonomy, and benchmark protocols to ensure reproducibility. Both PLC-BEAD and PLCEmbed are released as open-source resources to foster research in PLC security, reverse engineering, and ICS forensics, establishing new baselines for data-driven approaches to industrial cybersecurity.
In natural language processing (NLP), the focus has shifted from encoder-only tiny language models like BERT to decoder-only large language models(LLMs) such as GPT-3. However, LLMs' practical application in the financial sector has revealed three limitations: (1) LLMs often perform worse than fine-tuned BERT on discriminative tasks despite costing much higher computational resources, such as market sentiment analysis in financial reports; (2) Application on generative tasks heavily relies on retrieval augmented generation (RAG) methods to provide current and specialized information, with general retrievers showing suboptimal performance on domain-specific retrieval tasks; (3) There are additional inadequacies in other feature-based scenarios, such as topic modeling. We introduce FinBERT2, a specialized bidirectional encoder pretrained on a high-quality, financial-specific corpus of 32b tokens. This represents the largest known Chinese financial pretraining corpus for models of this parameter size. As a better backbone, FinBERT2 can bridge the gap in the financial-specific deployment of LLMs through the following achievements: (1) Discriminative fine-tuned models (Fin-Labelers) outperform other (Fin)BERT variants by 0.4%-3.3% and leading LLMs by 9.7%-12.3% on average across five financial classification tasks. (2) Contrastive fine-tuned models (Fin-Retrievers) outperform both open-source (e.g., +6.8% avg improvement over BGE-base-zh) and proprietary (e.g., +4.2% avg improvement over OpenAI's text-embedding-3-large) embedders across five financial retrieval tasks; (3) Building on FinBERT2 variants, we construct the Fin-TopicModel, which enables superior clustering and topic representation for financial titles. Our work revisits financial BERT models through comparative analysis with contemporary LLMs and offers practical insights for effectively utilizing FinBERT in the LLMs era.
The profound psychological interplay between music and human affect underscores the critical role of emotion-aware modeling in music recommendation systems. While existing approaches predominantly employ emotion classification or vector representation methods, their capacity to capture nuanced emotional semantics remains limited. This paper presents the Large-Language-Model-based emotion-aware music recommendation model(LEMON), a novel framework that harnesses Large Language Models to address two fundamental challenges: extracting multi-faceted emotional semantics from music content and dynamically aligning users' transient emotional states with long-term preferences. Our framework introduces three key innovations: First, a hierarchical LLM-driven emotion extraction pipeline that decodes complex emotional narratives from lyrics through multi-stage prompt engineering, generating semantically rich song embeddings. Second, a dual-temporal encoder that separately models users' short-term emotion representation derived from recent engagement patterns and long-term preferences extracted from historical interactions. Third, an adaptive fusion coefficient that dynamically balances temporal features using user profile attributes to enable personalized recommendation adaptation. Extensive evaluations on industrial and public datasets demonstrate LEMON's superiority, achieving 4.22% AUC improvements over state-of-the-art baselines. Online A/B tests on NetEase Cloud Music, one of China's largest music streaming platforms validate a 1% increase in user engagement metrics. Ablation studies confirm the necessity of each component, particularly highlighting LLMs' performance gain in capturing context-dependent emotions compared to conventional methods. This work advances the integration of LLMs' semantic reasoning capabilities into emotion-aware recommendation systems, offering practical insights for online music personalization.
Audio-Enhanced Vision-Language Modeling with Latent Space Broadening for High Quality Data Expansion
Transformer-based multimodal models are widely used in industrial-scale recommendation, search, and advertising systems for content understanding and relevance ranking. Enhancing labeled training data quality and cross-modal fusion significantly improves model performance, influencing key metrics such as quality view rates and ad revenue. High-quality annotations are crucial for advancing content modeling, yet traditional statistical-based active learning (AL) methods face limitations: they struggle to detect overconfident misclassifications and are less effective in distinguishing semantically similar items in deep neural networks. Additionally, audio information plays an increasing role, especially in short-video platforms, yet most pretrained multimodal architectures primarily focus on text and images. While training from scratch across all three modalities is possible, it sacrifices the benefits of leveraging existing pretrained visual-language (VL) and audio models. To address these challenges, we propose kNN-based Latent Space Broadening (LSB) to enhance AL efficiency, achieving an up to 9% recall improvement at 80% precision on proprietary datasets. Additionally, we introduce Vision-Language Modeling with Audio Enhancement (VLMAE), a mid-fusion approach integrating audio into VL models, yielding up to another 9% recall improvement at 80% precision. Our methods are successfully deployed in multiple production systems, leading to significant business gains through online A/B experiments.
In geoscience, it is necessary to study the lithography of the Earth's subsurface, which consists of different stratified layers called geological formations. This study performs well correlation task to model and characterize reservoirs. This operation links the beginning of specific geological formations called tops using measurements from drilled wells. Although data are abundant, the traditional algorithms used for well correlation are semi-automated, requiring significant time and high computational cost. This paper introduces GeoTS, a Python library to apply cutting-edge time series classification models to perform well correlation in a completely automated setting. As input, take the drilling trajectory depth and gamma-ray well logs, which measure the natural radioactivity across the well depth trajectory. The top depths of the formations are predicted as an output. The gamma-ray signatures are extracted around the top depths assigned by geologists. Preprocessing is performed to clean and cluster these signatures using the Dynamic Time Wrapping (DTW) distance and HDBSCAN. Implementation of existing deep learning architectures (FCN, InceptionTime, XceptionTime, XCM, LSTM-FCN) and new architecture (LSTM-2dCNN, LSTM-XCM) are performed. Our experiments demonstrate faster computation with an increase in accuracy. GradCAM has also been implemented for model explainability. Experiments were performed using Colorado oil fields and deployed on Wyoming oil fields. The deployment has provided us with critical insights regarding the improvements needed.
As the demand for insurance continues to skyrocket in our daily lives, accurately predicting claim amount has become a critical demand for insurance companies. This capacity enables to identify high-risk individuals for minimizing substantial claims and, conversely, help to lower premiums for other policyholders. Recently, graph neural networks (GNNs) have achieved remarkable performance on classification and recommendation for insurance, but have not been extended to this regression task. Will GNNs serve as a powerful tool for claim amount prediction? Surprisingly, our research reveals that GNNs perform well in this area, but encounter three challenges, i.e., the mixture of heterophilic and homophilous network pattern, label scarcity and label uncertainty. To address these challenges, we propose Decoupled Graph Neural Networks Enhanced by Pseudo Labels for Claim Prediction (GClaim) to empower existing GNNs for claim amount prediction. Specifically, GClaim automatically organizing nodes into distinct clusters, facilitating the independent learning of nodes within each latent network pattern. It further introduces trustworthy pseudo labels from unlabeled and uncertain nodes through a standard deviation-induced filtering strategy. Extensive experiments on three industrial datasets and five newly developed proxy public datasets with varying evaluation protocols demonstrate the effectiveness of GClaim, as well as each well-designed component in GClaim. In light of its outstanding performance, GClaim has been successfully deployed in the online auto-insurance platform of Alipay. With GClaim, the auto-insurance service has experienced an over 10% increase in the end-to-end conversion rate and over 25% rise in UV value.