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🔍 felipe belem 📂 Computer Science
Showing 573 results for "felipe belem" in Computer Science
Computer Science Preprint PDF DOI

Praxy Voice: Voice-Prompt Recovery + BUPS for Commercial-Class Indic TTS from a Frozen Non-Indic Base at Zero Commercial-Training-Data Cost

Venkata Pushpak Teja Menta · 2026

Commercial TTS systems produce near-native Indic audio, but the best open-source bases (Chatterbox, Indic Parler-TTS, IndicF5) trail them on measured phonological dimensions, and the most widely adopt…

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Computer Science Preprint PDF DOI

Prism-Reranker: Beyond Relevance Scoring -- Jointly Producing Contributions and Evidence for Agentic Retrieval

Dun Zhang · 2026

Modern retrieval pipelines increasingly serve downstream consumers like retrieval-augmented generation (RAG) and autonomous agents that need more than a scalar relevance score. A reranker that only te…

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Computer Science Preprint PDF DOI

Enhancing Speaker Verification with Whispered Speech via Post-Processing

Magdalena Go{l}ebiowska, Piotr Syga · 2026

Speaker verification is a task of confirming an individual's identity through the analysis of their voice. Whispered speech differs from phonated speech in acoustic characteristics, which degrades the…

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Computer Science Preprint PDF DOI

Enabling Sensitive Conversations with Consent Boundaries: Moa, a Platform for Discussing PhD Advising Relationships

Jane Im, Kentaro Toyama · 2026

When an individual is harmed by someone in power, such as a workplace manager, it can help to identify allies--people who would offer sympathy, advice, or supportive action. However, ally discovery is…

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Computer Science Preprint PDF DOI

Bit-Flip Vulnerability of Shared KV-Cache Blocks in LLM Serving Systems

Yuji Yamamoto, Satoshi Matsuura · 2026

Rowhammer on GPU DRAM has enabled adversarial bit flips in model weights; shared KV-cache blocks in LLM serving systems present an analogous but previously unexamined target. In vLLM's Prefix Caching,…

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Computer Science Preprint PDF DOI

A Categorical Basis for Robust Program Analysis

Zachary Kincaid, Shaowei Zhu · 2026

Users of program analyses expect that results change predictably in response to changes in their programs, but many analyses fail to provide such robustness. This paper introduces a theoretical framew…

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Computer Science Preprint PDF DOI

Retrieval Augmented Classification for Confidential Documents

Yeseul E. Chang, Rahul Kailasa, Simon Shim, Byunghoon Oh, Jaewoo Lee · 2026

Unauthorized disclosure of confidential documents demands robust, low-leakage classification. In real work environments, there is a lot of inflow and outflow of documents. To continuously update knowl…

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Computer Science Preprint PDF DOI

Lishu: A Real-Source Research Workbench for Elite Business Journal Search, Analysis, and Writing Support

Chuang Zhao, Hongke Zhao, Yichen Li, Xiaoquan Zhi, Songyue Guo · 2026

This paper presents Lishu, a deployable web artifact for searching, monitoring, and interpreting literature from elite business and management journals. The system integrates the UTD-24 and Financial …

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Computer Science Preprint PDF DOI

Spatiotemporal-Aware Bit-Flip Injection on DNN-based Advanced Driver Assistance Systems (extended version)

Taibiao Zhao, Xiang Zhang, Mingxuan Sun, Ruyi Ding, Xugui Zhou · 2026

Modern advanced driver assistance systems (ADAS) rely on deep neural networks (DNNs) for perception and planning. Since DNNs' parameters reside in DRAM during inference, bit flips caused by cosmic rad…

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Computer Science Preprint PDF DOI

Epicure: Multidimensional Flavor Structure in Food Ingredient Embeddings

Jakub Radzikowski, Josef Chen · 2026

A chef's intuition about flavor, texture, and cultural identity represents tacit knowledge that is difficult to articulate yet central to culinary practice. We show that this knowledge is already enco…

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Computer Science Preprint PDF DOI

From SWE-ZERO to SWE-HERO: Execution-free to Execution-based Fine-tuning for Software Engineering Agents

Nikolai Ludwig, Wasi Uddin Ahmad, Somshubra Majumdar, Boris Ginsburg · 2026

We introduce SWE-ZERO to SWE-HERO, a two-stage SFT recipe that achieves state-of-the-art results on SWE-bench by distilling open-weight frontier LLMs. Our pipeline replaces resource-heavy dependencies…

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Computer Science Preprint PDF DOI

RePart: Efficient Hypergraph Partitioning with Logic Replication Optimization for Multi-FPGA System

Zizhuo Fu, Yifan Zhou, Zhaoxin Lu, Guangyu Sun, Runsheng Wang, Meng Li, Yibo Lin · 2026

Multi-FPGA systems (MFS) are widely adopted for VLSI emulation and rapid prototyping. In an MFS, FPGAs connect only to a limited number of neighbors through bandwidth-constrained links, so inter-FPGA …

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Computer Science Preprint PDF DOI

Differential Privacy for Symbolic Trajectories via the Permute-and-Flip Mechanism

Alexander Benvenuti, Huaiyuan Rao, Matthew Hale · 2026

Privacy techniques have been developed for data-driven systems, but systems with non-numeric data cannot use typical noise-adding techniques. Therefore, we develop a new mechanism for privatizing stat…

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Computer Science Preprint PDF DOI

An $\Omega ( (\log n / \log \log n)^2 )$ Cell-Probe Lower Bound for Dynamic Boolean Data Structures

Young Kun Ko · 2026

We resolve the long-standing open problem of Boolean dynamic data structure hardness, proving an unconditional lower bound of $\Omega((\log n / \log\log n)^2)$ for the Multiphase Problem of Patrascu […

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Computer Science Preprint PDF DOI

Gendered Communication Patterns of Political Elites on Truth Social

Tom Bidewell, Artemis Deligianni, Tugrulcan Elmas, Clare Llewellyn, Bjorn Ross · 2026

The influence of gender on online political communication remains contested, with existing scholarship providing mixed evidence as to whether gender shapes political messaging in digital environments.…

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Computer Science Preprint PDF DOI

Observable Channels, Not Just Storage: Evaluating Privacy Leakage in LLM Agent Pipelines

Tao Huang, Chen Hou, Guosen Wu, Jiayang Meng · 2026

Privacy leakage in LLM agents is often studied through individual storage or execution components, such as memory modules, retrieval pipelines, or tool-mediated artifacts. However, these settings are …

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Computer Science Preprint PDF DOI

Flip Distance of Non-Crossing Spanning Trees: NP-Hardness and Improved Bounds

H{aa}vard Bakke Bjerkevik, Joseph Dorfer, Linda Kleist, Torsten Ueckerdt, Birgit Vogtenhuber · 2026

We consider the problem of reconfiguring non-crossing spanning trees on point sets. For a set $P$ of $n$ points in general position in the plane, the flip graph $F(P)$ has a vertex for each non-crossi…

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Computer Science Preprint PDF DOI

Bridges connecting Encryption Schemes

Mugurel Barcau, Cristian Lupascu, Vicentiu Pasol, George C. Turcas · 2026

The present work investigates a type of morphisms between encryption schemes, called bridges. By associating an encryption scheme to every such bridge, we define and examine their security. Inspired b…

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Computer Science Preprint PDF DOI

Exploring Experiential Differences Between Virtual and Physical Memory-Linked Objects in Extended Reality

Zaid Ahmed, Omar A. Khan, Hyeongil Nam, Kangsoo Kim · 2026

Extended Reality (XR) enables immersive capture and re-experience of personal memories, yet how interface representations shape these experiences remains underexplored. We examine how users relive and…

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Computer Science Preprint PDF DOI

Dual Representation of Minimum Divergence Under Integral Constraints

Shubhanshu Shekhar, Shubhada Agrawal · 2026

Minimum divergence problems under integral constraints appear throughout statistics and probability, including sequential inference, bandit theory, and distributionally robust optimization. In many su…

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