Huey-Ing Liu

ORCID: 0000-0003-0068-509X
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About
Contact & Profiles
Research Areas
  • Mobile Ad Hoc Networks
  • Opportunistic and Delay-Tolerant Networks
  • Wireless Networks and Protocols
  • Caching and Content Delivery
  • Interconnection Networks and Systems
  • Advanced Optical Network Technologies
  • Peer-to-Peer Network Technologies
  • Wireless Communication Networks Research
  • IPv6, Mobility, Handover, Networks, Security
  • Software-Defined Networks and 5G
  • Topic Modeling
  • Cooperative Communication and Network Coding
  • Natural Language Processing Techniques
  • Network Traffic and Congestion Control
  • Advanced Wireless Network Optimization
  • Multimedia Communication and Technology
  • Energy Efficient Wireless Sensor Networks
  • Network Packet Processing and Optimization
  • Mobile Agent-Based Network Management
  • Optical Network Technologies
  • Internet Traffic Analysis and Secure E-voting
  • Image Retrieval and Classification Techniques
  • Advanced Graph Theory Research
  • Network Security and Intrusion Detection
  • Educational Technology and Assessment

Fu Jen Catholic University
2011-2025

Télécom Paris
2016

Beijing Jiaotong University
2016

Institut Polytechnique de Paris
2016

Telecom SudParis
2016

Université Paris-Sud
2016

Osaka University
2016

Galileo University
2016

National Tsing Hua University
1996-2002

Chung Hua University
1998-2002

Machine translation is one of the most popular and hardest tasks in Natural Language Processing. This paper proposes a self-attention based model for machine translation, named Re-Transformer, by transforming Transformer [1]. Different from prevailing approach through module or GPU stacking to improve system performance, Re-Transformer modifies basic architecture; there are four refinements as follows. First, adopts sub-word Tokenization corpus preprocessing overcome rare words. In encoder...

10.1016/j.procs.2021.05.065 article EN Procedia Computer Science 2021-01-01

This paper investigates the problem of adaptation and personalization in e-learning systems. A new metric-QoL (Quality Learning)-is recommended for systems to evaluate learning process. proposes Adaptive & Personalized E-Learning System (APeLS) that provides dynamic content an adaptive process learners enhance quality learning. According feedback from learner, proposed APeLS is capable self-adjusting self-reorganizing components paths adapt each user's interests, abilities, behavior....

10.1109/te.2005.858398 article EN IEEE Transactions on Education 2005-11-01

How to effectively resist DoS/DDoS (Distributed Denial of Service) attacks is one the primary issues for Internet security. This paper studies non-invasive types attacks, which against servers via protocol-compliant and legitimate application-layer requests. Attackers use some special service requests, require high processing complexity, overwhelm servers' resources. presents an effective defense system namely DAT: Defense Against Tilt DDoS attacks. Through analyzing each client's features,...

10.1109/tssa.2011.6095400 article EN 2011-10-01

Ambient energy from solar, vibration, heat and wind provide alternative sources to power sensors extend the lifetime of wireless sensor networks which have traditionally been powered by batteries. This paper aims enhance performance harvesting in three aspects: relaying, scheduling, medium access control. To better adapt characteristics harvesting, an asynchronous receiver-initiated duty-cycling approach is preferred networks. reduces duty cycle senders, regulates active sleep intervals...

10.1109/padsw.2014.7097857 article EN 2014-12-01

This paper proposes ECONOMY, an Opportunistic Routing (OR) protocol that is free from duplicate transmission. OR utilizes overheard packets and takes multiple routes into consideration concurrently. It has been shown outperforms traditional routing by close to 100% in term of throughput; however, transmissions may occur as relays cannot hear one another, it consequently degrades the performance OR. ECONOMY uses token passing along a path can another eliminate When arrives, relay allowed...

10.1145/1710035.1710052 article EN 2009-01-01

Machine translation has received significant attention in the field of natural language processing not only because its challenges but also due to needs that arise daily life modern people. In this study, we design a new machine model named X-Transformer, which refines original Transformer regarding three aspects. First, parameter encoder is compressed. Second, structure modified by adopting two layers self-attention mechanism consecutively and reducing point-wise feed forward layer help...

10.3390/app12094502 article EN cc-by Applied Sciences 2022-04-29

MMOG is one of the most popular amusements for people today and MMORPG hottest all types MMOGs. Due to massive number players, huge server load player cheating are two major problems This paper studies issues MMORPGs. Hybrid architecture by combining P2P client/server proposed MMORPGs reduce improve scalability flexibility. A fully distributed anti-cheating mechanism with players reciprocally monitoring also designed in this paper. Analytical simulation results demonstrate that significantly...

10.1109/ccgrid.2008.49 article EN 2008-05-01

The popularization of broadband access and Internet enables Live p2p streaming services. not only enriches the approaches media broadcasting but also frees restriction on content providers as any user is able to be a provider. high scalability architecture significantly eases burden server bandwidth. This paper proposes hybrid live system. A mesh in tree structure, denoted MeTree, suggested. Metree considers both physical topology peers' contributions build overlay structure. According each...

10.1109/aina.2010.144 article EN 2010-01-01

This paper investigates the isochronous channel reuse problem (ICRP) on IEEE 802.6 distributed-queue dual-bus (DQDB) metropolitan area network (MAN). Given a set of established connections and requests, using minimal number bandwidth to service all is attempted. On other hand, given limited bandwidth, establishing maximal primary concern. Our previous study demonstrates that ICRP NP-complete by showing simplified (SICRP), in which requests are same NP-complete. We recommend tight lower bound...

10.1109/90.720912 article EN IEEE/ACM Transactions on Networking 1998-01-01

Due to the popularization of Internet, online games become one most popular entertainments for teenagers. According estimates DFC Intelligence, output values global reach 9,800 million dollars in 2009. Massively Multiplayer Online Game (MMOG) is profitable one. This paper studies MMOG system. Since systems usually serve massive users simultaneously, traditional Client/Server model with limited resource and bandwidth cannot meet demand MMOG. proposes a Dynamic Anti-Cheating Architecture MMOG,...

10.1109/aina.2009.30 article EN 2009-01-01

Opportunistic routing (OR) is a promising concept to improve throughput and reliability by utilizing the broadcast nature of wireless medium. Previous studies focus on OR with single channel scenario; however, multi-channel widely used over communication systems. Due overhearing dynamic forwarding aspects, obtains worse gain for additional channels. This paper attempts in scenario eases flow bottleneck proposing new metric Expected Anypath Delay (EAD) heuristic method find routes scenario....

10.1109/icc.2013.6655615 article EN 2013-06-01

The isochronous channel reuse problem (ICRP) on DQDB metropolitan area networks is investigated. Given a set of established connections and requests, the goal to use minimal number channels service these requests. On other hand, given limited bandwidth, establish maximal connections. In paper, authors show that ICRP NP-complete. For simplified (SICRP), in which all as well requests are same suggest tight lower bound propose an efficient algorithm (ICRA). Simulation results for SICRP,...

10.1109/infcom.1994.337562 article EN 2002-12-17

Location management is one of the most important issues in mobile radio communication systems. This paper presents an intelligent paging scheme which uses geographical information to help searching for target terminal. Since characteristics geography, such as street placement, mountain areas, lack locations, etc., influences distribution users, probability user among each registration zone quite different. According information, we may track a by utilizing background information. Three...

10.1109/vetecs.2000.851346 article EN 2002-11-07

An ad hoc system with high topology changing rate makes routing extremely unstable. However stability is an important issue, especially for designing a QoS provision. Recently, the availability of small, inexpensive, and low-power GPS receivers realizes location based networks. With help information, significantly improved. The paper investigates problem in We propose protocol proposed scheme, named QoS-GRID, considers two-tier-grid configuration to reduce each mobile transmission power so...

10.1109/aina.2003.1193010 article EN 2003-12-22

This paper proposes a Chinese medical question answering system based on CNN s with self-attention embedded model. The key idea of the proposed framework is first understanding whole sentences via LSTM, obtaining feature map by convolution layer CNN, then further-comprehending and answer finally pass through to polling enhance accuracy. In addition, due word segmentation issue in especially field, character embedding applied experimental results show that improves accuracy around 80%.

10.1109/icaiic48513.2020.9065209 article EN 2020-02-01

In this paper, based on the concept of wavelength reusing, a new architecture for interconnecting two division multiplexing (WDM) star networks is proposed. According to architecture, problem scheduling isochronous as well asynchronous traffic investigated. The lower bounds minimizing switching duration and number modes are derived. A transmission algorithm proposed efficiently reuse also For only traffic, analytical result shows that produces solutions equal bounds. both simulation results...

10.1109/50.485584 article EN Journal of Lightwave Technology 1996-03-01

Serving video-on-demand (VOD) traffic via isochronous transmission service is highly desirable because of the characteristics VOD traffic. This paper proposes a mechanism to transfer over wavelength division multiplexing (WDM) networks by employing service. Based on proposed mechanism, problem scheduling and asynchronous for single-star WDM with multiple receivers transmitters investigated. The lower bounds total switching duration number modes are derived. An optimal algorithm presented...

10.1109/50.744214 article EN Journal of Lightwave Technology 1999-01-01

This paper investigates the QoS routing problem in ad hoc networks. The high topology changing characteristic of system makes extremely unstable. However, stability is an important issue especially for designing a with provision. Recently, availability small, inexpensive, and low-power GPS receivers realizes location aware Through help information, significantly improved. In this paper, we propose protocol proposed scheme, named DL-GRID, considers dual-layered-grid configuration to reduce...

10.1109/vetecs.2003.1207122 article EN 2004-04-23

The problem of scheduling isochronous and asynchronous traffic for single-star WDM networks is investigated. Given a set scheduled switching matrices already established connections, an demand matrix new coming requests, matrix, the goal to find optimal schedule such that total duration number modes are minimized. has been proved be NP-complete. In this paper, lower bounds on derived. A heuristic algorithm proposed. Simulation results show average obtained by proposed quite close bounds.

10.1109/icc.1996.535310 article EN 2002-12-23

Ad hoc networks, with limited resources and a highly dynamic nature, make routing unstable challenging. Recently, the availability of small, cheap, low-power GPS receivers has permitted location based for ad networks to be realized. Location significantly improves stability. Balancing load among mobile nodes not only reduces packet delay but also route stability system scalability. The paper proposes protocol balancing capability networks. A grid configuration is considered. We propose dual...

10.1109/vetecf.2004.1404822 article EN 2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall) 2005-04-12

10.1007/s11036-008-0147-0 article EN Mobile Networks and Applications 2009-01-15

This paper focuses on incentive, free rider, and fairness issues of p2p streaming systems. P2P systems, applying model over applications, significantly improve the system scalability. However, instability loose control also impose uncertainty factors to proposed a contribution-aware model, denoted as CAPS- Contribution Aware Steaming, fairly managing resources for Through resource allocation, stream-quality proportional peers' contribution is supported in CAPS thus stimulates desires stay...

10.1109/iscit.2010.5664846 article EN 2010-10-01

This paper proposes a hybrid Gated Recurrent Unit (GRU) and Self-Attention based model, named GSAP, for dual medical related NLP tasks. GSAP stacks three famous neural network units: GRU, self-attention pooling of Convolutional Neural Network (CNN) to improve the accuracy. In GRU is first adopted comprehend sentences. Second, layer helps model focus on key points inputs. Finally, eases outfitting upgrades system The proposed applied two different tasks: QA matching smoking status...

10.1109/kst53302.2022.9727234 article EN 2022-01-26
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