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I generalize state-of-the-art approaches that decompose differences in the distribution of a variable of interest between two groups into a portion explained by covariates and a residual portion. The method that I propose relaxes the…

计量经济学 · 经济学 2024-05-10 Bernardo Modenesi

Dialectal data are characterized by linguistic variation that appears small to humans but has a significant impact on the performance of models. This dialect gap has been related to various factors (e.g., data size, economic and social…

计算与语言 · 计算机科学 2025-09-25 Vani Kanjirangat , Tanja Samardžić , Ljiljana Dolamic , Fabio Rinaldi

Retrieval-augmented generation (RAG) ranks passages by semantic similarity to the input, implicitly assuming that semantic similarity is a reliable indication of applicability in downstream tasks. This assumption breaks down when task…

信息检索 · 计算机科学 2026-05-28 Zhixing Sun , Shenghe Xu , Tao Li

In many covering settings, it is natural to consider the presence both of elements that we seek to include and of elements that we seek to avoid. This paper introduces a novel combinatorial problem formalizing this tradeoff: from a…

数据结构与算法 · 计算机科学 2025-12-01 Sophie Boileau , Andrew Hong , David Liben-Nowell , Alistair Pattison , Anna N. Rafferty , Charlie Roslansky

We highlight an important frontier in algorithmic fairness: disparity in the quality of natural language processing algorithms when applied to language from authors of different social groups. For example, current systems sometimes analyze…

计算机与社会 · 计算机科学 2017-07-04 Su Lin Blodgett , Brendan O'Connor

Knowledge graphs play a pivotal role in various applications, such as question-answering and fact-checking. Abstract Meaning Representation (AMR) represents text as knowledge graphs. Evaluating the quality of these graphs involves matching…

计算与语言 · 计算机科学 2024-04-03 Zoher Kachwala , Jisun An , Haewoon Kwak , Filippo Menczer

In this paper, we propose Text-Aware Pre-training (TAP) for Text-VQA and Text-Caption tasks. These two tasks aim at reading and understanding scene text in images for question answering and image caption generation, respectively. In…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Zhengyuan Yang , Yijuan Lu , Jianfeng Wang , Xi Yin , Dinei Florencio , Lijuan Wang , Cha Zhang , Lei Zhang , Jiebo Luo

Representation learning on text-attributed graphs (TAGs) integrates structural connectivity with rich textual semantics, enabling applications in diverse domains. Current methods largely rely on contrastive learning to maximize cross-modal…

图形学 · 计算机科学 2025-10-15 Heng Zhang , Tianyi Zhang , Yuling Shi , Xiaodong Gu , Yaomin Shen , Zijian Zhang , Yilei Yuan , Hao Zhang , Jin Huang

We study the problem of quantitative facts extraction for text with percentages. For example, given the sentence "30 percent of Americans like watching football, while 20% prefer to watch NBA.", our goal is to obtain a deep understanding of…

计算与语言 · 计算机科学 2021-10-27 Lei Fang , Jian-Guang Lou

Parallel texts (bitexts) have properties that distinguish them from other kinds of parallel data. First, most words translate to only one other word. Second, bitext correspondence is noisy. This article presents methods for biasing…

cmp-lg · 计算机科学 2007-05-23 I. Dan Melamed

Recent improvements in KG-to-text generation are due to additional auxiliary pre-training tasks designed to give the fine-tune task a boost in performance. These tasks require extensive computational resources while only suggesting marginal…

计算与语言 · 计算机科学 2023-05-19 Anthony Colas , Mehrdad Alvandipour , Daisy Zhe Wang

Graph partitioning is the problem of dividing the nodes of a graph into balanced partitions while minimizing the edge cut across the partitions. Due to its combinatorial nature, many approximate solutions have been developed, including…

机器学习 · 计算机科学 2019-03-05 Azade Nazi , Will Hang , Anna Goldie , Sujith Ravi , Azalia Mirhoseini

Hybrid data combining both tabular and textual content (e.g., financial reports) are quite pervasive in the real world. However, Question Answering (QA) over such hybrid data is largely neglected in existing research. In this work, we…

计算与语言 · 计算机科学 2021-06-02 Fengbin Zhu , Wenqiang Lei , Youcheng Huang , Chao Wang , Shuo Zhang , Jiancheng Lv , Fuli Feng , Tat-Seng Chua

This article describes mathematical methods for estimating the top-tail of the wealth distribution and therefrom the share of total wealth that the richest $p$ percent hold, which is an intuitive measure of inequality. As the data base for…

应用统计 · 统计学 2018-07-11 Christoph Dalitz

Pooling operations have shown to be effective on computer vision and natural language processing tasks. One challenge of performing pooling operations on graph data is the lack of locality that is not well-defined on graphs. Previous…

机器学习 · 计算机科学 2020-10-21 Hongyang Gao , Yi Liu , Shuiwang Ji

Where previous reviews on content-based image retrieval emphasize on what can be seen in an image to bridge the semantic gap, this survey considers what people tag about an image. A comprehensive treatise of three closely linked problems,…

信息检索 · 计算机科学 2016-06-10 Xirong Li , Tiberio Uricchio , Lamberto Ballan , Marco Bertini , Cees G. M. Snoek , Alberto Del Bimbo

A considerable number of texts encountered daily are somehow connected with each other. For example, Wikipedia articles refer to other articles via hyperlinks, scientific papers relate to others via citations or (co)authors, while tweets…

计算与语言 · 计算机科学 2025-08-08 Albert Roethel , Maria Ganzha , Anna Wróblewska

We evaluate how well LLMs understand African American Language (AAL) in comparison to their performance on White Mainstream English (WME), the encouraged "standard" form of English taught in American classrooms. We measure LLM performance…

计算与语言 · 计算机科学 2023-11-14 Nicholas Deas , Jessi Grieser , Shana Kleiner , Desmond Patton , Elsbeth Turcan , Kathleen McKeown

Global Average Pooling (GAP) [4] has been used previously to generate class activation for image classification tasks. The motivation behind SIMILARnet comes from the fact that the convolutional filters possess position information of the…

计算机视觉与模式识别 · 计算机科学 2017-11-09 Arna Ghosh , Biswarup Bhattacharya , Somnath Basu Roy Chowdhury

Although conceptualization has been widely studied in semantics and knowledge representation, it is still challenging to find the most accurate concept phrases to characterize the main idea of a text snippet on the fast-growing social…

机器学习 · 计算机科学 2022-06-17 Jiuding Yang , Weidong Guo , Bang Liu , Yakun Yu , Chaoyue Wang , Jinwen Luo , Linglong Kong , Di Niu , Zhen Wen
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