Intelligent Computing and Block Chain
First BenchCouncil International Federated Conferences, FICC 2020, Qingdao, China, October 30 – November 3, 2020, Revised Selected Papers
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Article
An SGX-based execution framework for smart contracts upon permissioned blockchain
Since consensus protocol and execution mechanism act as two key factors for the overall throughput of blockchain systems, how to execute smart contracts efficiently becomes an emergent bottleneck as many high-...
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Chapter and Conference Paper
A Raft Variant for Permissioned Blockchain
Many permissioned blockchain systems adopt Raft as one of the consensus protocol options, however, comparing with traditional distributed systems, blockchain system has more nodes which makes Raft faces challe...
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Chapter and Conference Paper
Dynamic Feature Selection for Structural Image Content Recognition
Structural image content recognition (SICR) aims to transcribe a two-dimensional structural image (e.g., mathematical expression, chemical formula, or music score) into a token sequence. Existing methods are m...
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Article
On measuring network robustness for weighted networks
Network robustness measures how well network structure is strong and healthy when it is under attack, such as vertices joining and leaving. It has been widely used in many applications, such as information dif...
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Chapter and Conference Paper
Enhancing Seq2seq Math Word Problem Solver with Entity Information and Math Knowledge
Devising an automatic Math Word Problem (MWP) solver has emerged as an important task in recent years. Various applications such as online education and intelligent assistants are expecting better MWP solvers ...
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Chapter and Conference Paper
Trajectory Similarity Search with Multi-level Semantics
With the widespread popularity of intelligent mobile devices, massive trajectory data have been captured by mobile devices. Although trajectory similarity search has been studied for a long time, most existing...
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Book and Conference Proceedings
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Chapter and Conference Paper
SQL-Middleware: Enabling the Blockchain with SQL
With the development of blockchain, blockchain has a broad prospect as a new type of data management system. However, limited to the data modeling method of blockchain, the usability of blockchain is restricte...
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Chapter and Conference Paper
PEEP: A Parallel Execution Engine for Permissioned Blockchain Systems
Unlike blockchain systems in public settings, the stricter trust model in permissioned blockchain opens an opportunity for pursuing higher throughput. Recently, as the consensus protocols are developed signifi...
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Article
An enhanced wildcard-based fuzzy searching scheme in encrypted databases
Under the overwhelming trend in Cloud Computing, Cloud Databases possessing high scalability / high availability / high parallel performance have become a prevalent paradigm of data outsourcing. In considerati...
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Article
Popular route planning with travel cost estimation from trajectories
With the increasing number of GPS-equipped vehicles, more and more trajectories are generated continuously, based on which some urban applications become feasible, such as route planning. In general, popular r...
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Article
A framework for cloned vehicle detection
Rampant cloned vehicle offenses have caused great damage to transportation management as well as public safety and even the world economy. It necessitates an efficient detection mechanism to identify the vehic...
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Chapter and Conference Paper
WTPST: Waiting Time Prediction for Steel Logistical Queuing Trucks
In the absence of reasonable queuing rules for trucks transporting steel raw materials, the trucks have to wait in long queues inside and outside the steel mill. It necessitates effective waiting time predicti...
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Chapter and Conference Paper
Adaptive Loading Plan Decision Based upon Limited Transport Capacity
Cargo distribution is one of most critical issues for steel logistics industry, whose core task is to determine cargo loading plan for each truck. Due to cargos far outnumber available transport capacity in st...
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Chapter and Conference Paper
Blockchain PG: Enabling Authenticated Query and Trace Query in Database
Blockchain comes under the spotlight for successfully implementing a tamper-resistant ledger among multiple untrusted participants. The widespread adoption of blockchain in data-intensive applications has led ...
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Chapter and Conference Paper
Authenticated Range Query Using SGX for Blockchain Light Clients
Due to limited computing and storage resources, light clients and full nodes coexist in a typical blockchain system. Any query from light clients must be forwarded to full nodes for execution, and light client...
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Chapter and Conference Paper
AuthQX: Enabling Authenticated Query over Blockchain via Intel SGX
With the popularization of blockchain technology in traditional industries, though the desire for supporting various authenticated queries becomes more urgent, current blockchain platforms cannot offer suffici...
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Article
A privacy-enhancing scheme against contextual knowledge-based attacks in location-based services
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Article
Distributed top-k similarity query on big trajectory streams
Recently, big trajectory data streams are generated in distributed environments with the popularity of smartphones and other mobile devices. Distributed top-k similarity query, which finds k trajectories that are...
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Chapter and Conference Paper
TCL: Tensor-CNN-LSTM for Travel Time Prediction with Sparse Trajectory Data
Predicting the travel time of a given path plays an indispensable role in intelligent transportation systems. Although many prior researches have struggled for accurate prediction results, most of them achieve...
