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We consider the problem of learning underlying tree structure from noisy, mixed data obtained from a linear model. To achieve this, we use the expectation maximization algorithm combined with Chow-Liu minimum spanning tree algorithm. This…

信息论 · 计算机科学 2017-10-06 Navid Tafaghodi Khajavi

Simultaneous information and power transfer (SWIPT) is characterised by the ambiguous role of multi-user interference. In short, the beneficial effect of multi-user interference on RF energy harvesting is obtained at the price of a reduced…

信息论 · 计算机科学 2018-01-16 Ayse Ipek Akin , Ivan Stupia , Luc Vandendorpe

Statistical mechanics is applied to lossy compression using multilayer perceptrons for unbiased Boolean messages. We utilize a tree-like committee machine (committee tree) and tree-like parity machine (parity tree) whose transfer functions…

统计力学 · 物理学 2007-05-23 Kazushi Mimura , Masato Okada

Tree-structured neural networks exploit valuable syntactic parse information as they interpret the meanings of sentences. However, they suffer from two key technical problems that make them slow and unwieldy for large-scale NLP tasks: they…

计算与语言 · 计算机科学 2016-08-01 Samuel R. Bowman , Jon Gauthier , Abhinav Rastogi , Raghav Gupta , Christopher D. Manning , Christopher Potts

Algorithms for dynamically maintaining minimum spanning trees (MSTs) have received much attention in both the parallel and sequential settings. While previous work has given optimal algorithms for dense graphs, all existing parallel…

数据结构与算法 · 计算机科学 2020-10-27 Daniel Anderson , Guy E. Blelloch , Kanat Tangwongsan

This paper revisits the 2-approximation algorithm for $k$-MST presented by Garg in light of a recent paper of Paul et al.. In the $k$-MST problem, the goal is to return a tree spanning $k$ vertices of minimum total edge cost. Paul et al.…

数据结构与算法 · 计算机科学 2023-06-21 Emmett Breen , Renee Mirka , Zichen Wang , David P. Williamson

Tree data structures, such as red-black trees, quad trees, treaps, or tries, are fundamental tools in computer science. A classical problem in concurrency is to obtain expressive, efficient, and scalable versions of practical tree data…

数据库 · 计算机科学 2023-10-10 Ilya Kokorin , Dan Alistarh , Vitaly Aksenov

For a low-mobile Poisson bipolar network and under line-of-sight/non-line-of-sight (LOS/NLOS) path-loss model, we study repetitive retransmissions (RR) and blocked incremental redundancy (B-IR). We consider spatially-coded multiple-input…

信息论 · 计算机科学 2019-02-01 Mohammad G. Khoshkholgh , Victor C. M. Leung

Monitored many-body systems can exhibit a phase transition between entangling and disentangling dynamical phases by tuning the strength of measurements made on the system as it evolves. This phenomenon is called the measurement-induced…

量子物理 · 物理学 2025-02-05 Xiaozhou Feng , Jeremy Côté , Stefanos Kourtis , Brian Skinner

In this paper a general class of tree algorithms is analyzed. It is shown that, by using an appropriate probabilistic representation of the quantities of interest, the asymptotic behavior of these algorithms can be obtained quite easily…

概率论 · 数学 2016-08-16 Hanène Mohamed , Philippe Robert

Transition-based top-down parsing with pointer networks has achieved state-of-the-art results in multiple parsing tasks, while having a linear time complexity. However, the decoder of these parsers has a sequential structure, which does not…

计算与语言 · 计算机科学 2022-10-21 Linlin Liu , Xiang Lin , Shafiq Joty , Simeng Han , Lidong Bing

We investigate the spectra of adjacency matrices of multiplex networks under random matrix theory (RMT) framework. Through extensive numerical experiments, we demonstrate that upon multiplexing two random networks, the spectra of the…

统计力学 · 物理学 2021-11-10 Tanu Raghav , Sarika Jalan

In 1986, Janson showed that the number of edges in the union of $k$ random spanning trees in the complete graph $K_n$ is a shifted Poisson distribution. Using results from the theory of electrical networks, we provide a new proof of this…

组合数学 · 数学 2020-02-17 Austen James , Matthew Larson , Daniel Montealegre , Andrew Salmon

The core requirement of massive Machine-Type Communication (mMTC) is to support reliable and fast access for an enormous number of machine-type devices (MTDs). In many practical applications, the base station (BS) only concerns the list of…

信息论 · 计算机科学 2022-01-03 Jingze Che , Zhaoyang Zhang , Zhaohui Yang , Xiaoming Chen , Caijun Zhong , Derrick Wing Kwan Ng

The modern scale of data has brought new challenges to Bayesian inference. In particular, conventional MCMC algorithms are computationally very expensive for large data sets. A promising approach to solve this problem is embarrassingly…

机器学习 · 统计学 2015-10-27 Xiangyu Wang , Fangjian Guo , Katherine A. Heller , David B. Dunson

In this work, we consider the case where a source with bursty traffic can adjust the transmission duration in order to increase the reliability. The source is equipped with a queue in order to store the arriving packets. We model the system…

信息论 · 计算机科学 2018-09-11 Nikolaos Pappas

Automata acceptance can, in several situations of interest, be captured game-theoretically via acceptance games. The existence of a winning strategy for Verifier then captures the existence of a winning run-tree of a given automaton over a…

计算机科学中的逻辑 · 计算机科学 2026-05-27 Anita Moyasari , Harsh Beohar , Charles Grellois , Clemens Kupke

In the Cloud Radio Access Network (C-RAN) architecture, the baseband signals from multiple remote radio heads are processed in a centralized baseband unit (BBU) pool. This architecture allows network operators to adapt the BBU's…

信息论 · 计算机科学 2017-03-16 Anders E. Kalør , Mauricio I. Agurto , Nuno K. Pratas , Jimmy J. Nielsen , Petar Popovski

The multiple-input multiple-output (MIMO) receiver processing is a key technology for current and next-generation wireless communications. However, it faces significant challenges related to complexity and scalability as the number of…

信息论 · 计算机科学 2025-10-03 Xingyu Zhou , Le Liang , Jing Zhang , Chao-Kai Wen , Shi Jin

Tree structures are very often used data structures. Among ordered types of trees there are many variants whose basic operations such as insert, delete, search, delete-min are characterized by logarithmic time complexity. In the article I…

数据结构与算法 · 计算机科学 2007-08-23 David S. Planeta