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Extreme multi-label classification (XMC) aims to learn a model that can tag data points with a subset of relevant labels from an extremely large label set. Real world e-commerce applications like personalized recommendations and product…

机器学习 · 计算机科学 2021-09-23 Tavor Z. Baharav , Daniel L. Jiang , Kedarnath Kolluri , Sujay Sanghavi , Inderjit S. Dhillon

Multi-modal representation learning by pretraining has become an increasing interest due to its easy-to-use and potential benefit for various Visual-and-Language~(V-L) tasks. However its requirement of large volume and high-quality…

多媒体 · 计算机科学 2020-12-09 Jia Guo , Chen Zhu , Yilun Zhao , Heda Wang , Yao Hu , Xiaofei He , Deng Cai

In this paper we provide a principled approach to solve a transductive classification problem involving a similar graph (edges tend to connect nodes with same labels) and a dissimilar graph (edges tend to connect nodes with opposing…

机器学习 · 计算机科学 2012-06-27 Sundararajan Sellamanickam , Sathiya Keerthi Selvaraj

Boundary labeling deals with annotating features in images such that labels are placed outside of the image and are connected by curves (so-called leaders) to the corresponding features. While boundary labeling has been extensively…

计算几何 · 计算机科学 2015-09-02 Lukas Barth , Andreas Gemsa , Benjamin Niedermann , Martin Nöllenburg

Sequential modelling entails making sense of sequential data, which naturally occurs in a wide array of domains. One example is systems that interact with users, log user actions and behaviour, and make recommendations of items of potential…

信息检索 · 计算机科学 2021-09-15 Christian Hansen

Many music AI models learn a map between music content and human-defined labels. However, many annotations, such as chords, can be naturally expressed within the music modality itself, e.g., as sequences of symbolic notes. This observation…

声音 · 计算机科学 2025-09-30 Junyan Jiang , Daniel Chin , Liwei Lin , Xuanjie Liu , Gus Xia

The matrices of spanning rooted forests are studied as a tool for analysing the structure of digraphs and measuring their characteristics. The problems of revealing the basis bicomponents, measuring vertex proximity, and ranking from…

组合数学 · 数学 2007-05-23 Pavel Chebotarev , Rafig Agaev

List-wise learning to rank methods are considered to be the state-of-the-art. One of the major problems with these methods is that the ambiguous nature of relevance labels in learning to rank data is ignored. Ambiguity of relevance labels…

信息检索 · 计算机科学 2017-07-26 Rolf Jagerman , Julia Kiseleva , Maarten de Rijke

We describe a framework for maintaining forest algebra representations that are of logarithmic height for unranked trees. Such representations can be computed in O(n) time and updated in O(log(n)) time. The framework is of potential…

计算机科学中的逻辑 · 计算机科学 2025-10-08 Sarah Kleest-Meißner , Jonas Marasus , Matthias Niewerth

In this paper we focus on the following constrained reachability problem over edge-labeled graphs like RDF -- "given source node x, destination node y, and a sequence of edge labels (a, b, c, d), is there a path between the two nodes such…

数据库 · 计算机科学 2012-03-14 Medha Atre , Vineet Chaoji , Mohammed J. Zaki

Let $F$ be a function on pairs of vertices. An {\em $F$- labeling scheme} is composed of a {\em marker} algorithm for labeling the vertices of a graph with short labels, coupled with a {\em decoder} algorithm allowing one to compute…

分布式、并行与集群计算 · 计算机科学 2016-08-31 Amos Korman

Many tasks in natural language processing involve predicting structured outputs, e.g., sequence labeling, semantic role labeling, parsing, and machine translation. Researchers are increasingly applying deep representation learning to these…

计算与语言 · 计算机科学 2020-10-07 Lifu Tu , Tianyu Liu , Kevin Gimpel

The problem of comparing trees representing the evolutionary histories of cancerous tumors has turned out to be crucial, since there is a variety of different methods which typically infer multiple possible trees. A departure from the…

数据结构与算法 · 计算机科学 2019-04-03 Giulia Bernardini , Paola Bonizzoni , Gianluca Della Vedova , Murray Patterson

New criteria are shown that certain combinations of finite unimodal polynomials are unimodal. %Given unimodal polynomials with explicit expressions and dependent recursion relations, we propose an approach to determine their modes. As…

组合数学 · 数学 2014-01-23 Liangxia Wan

The matrices of spanning rooted forests are studied as a tool for analysing the structure of networks and measuring their properties. The problems of revealing the basic bicomponents, measuring vertex proximity, and ranking from preference…

组合数学 · 数学 2013-05-29 Pavel Chebotarev , Rafig Agaev

We consider the problem of encoding two-dimensional arrays, whose elements come from a total order, for answering \topk{} queries. The aim is to obtain encodings that use space close to the information-theoretic lower bound, which can be…

数据结构与算法 · 计算机科学 2021-07-13 Seungbum Jo , Srinivasa Rao Satti

The monotonic ordinal classification has increased the interest of researchers and practitioners within machine learning community in the last years. In real applications, the problems with monotonicity constraints are very frequent. To…

人工智能 · 计算机科学 2018-10-23 José-Ramón Cano , Julián Luengo , Salvador García

Text classification has long been a staple within Natural Language Processing (NLP) with applications spanning across diverse areas such as sentiment analysis, recommender systems and spam detection. With such a powerful solution, it is…

计算与语言 · 计算机科学 2021-12-06 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

This paper outlines a method to determine whether two label-regular directed trees, are isomorphic and when they are almost isomorphic. The approach involves reinterpreting label-regular directed trees as universal covers of rooted graphs.…

组合数学 · 数学 2023-03-13 Roman Gorazd

We consider three different schemes for signal routing on a tree. The vertices of the tree represent transceivers that can transmit and receive signals, and are equipped with i.i.d. weights representing the strength of the transceivers. The…

概率论 · 数学 2014-07-14 Maria Deijfen , Nina Gantert