• Selma Lagerløfs Vej 300, 3-2-06

    9220 Aalborg Ø

    Denmark

  • Selma Lagerlöfs Vej 300, Cassiopeia

    9220 Aalborg

    Denmark

  • Selma Lagerlöfs Vej 300

    9220 Aalborg Ø

    Denmark

20072021
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Research Output 2007 2019

2019

An MBR-Oriented Approach for Efficient Skyline Query Processing

Zhang, J., Wang, W., Jiang, X., Ku, W-S. & Lu, H., 2019, The 35th IEEE International Conference on Data Engineering (ICDE). IEEE, p. 806-817 (Proceedings of the International Conference on Data Engineering).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Query processing
Sorting
Computational complexity
Costs
Statistical Models

An Overlapping Voronoi Diagram-based System for Multi-Criteria Optimal Location Queries

Zhang, J., Harn, P-W., Ku, W-S., Sun, M-T., Qin, X., Lu, H. & Jiang, X., 2019, In : Geoinformatica. 23, 1, p. 105-161 57 p.

Research output: Contribution to journalJournal articleResearchpeer-review

diagram
costs
evaluation
Costs
cost

Comprehensive audience expansion based on end-To-end neural prediction

Jiang, J., Lin, X., Yao, J. & Lu, H., 1 Jan 2019, In : CEUR Workshop Proceedings. 2410

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
Feature extraction
Marketing

Continuous Range Queries over Multi-Attribute Trajectories

Xu, J., Bao, Z. & Lu, H., 2019, The 35th IEEE International Conference on Data Engineering (ICDE). IEEE, p. 1610-1613

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Trajectories
Scalability
Experiments
172 Downloads (Pure)

Data Verification in Integrated RFID Systems

Sakai, K., Sun, M-T., Ku, W-S., Lu, H. & Lai, T-H., 2019, In : I E E E Systems Journal. 13, 2, p. 1969-1980 12 p., 8458363.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Radio frequency identification (RFID)
Testbeds
Availability
Internet
Network protocols

Efficient matching of offers and requests in social-aware ridesharing

Fu, X., Zhang, C., Lu, H. & Xu, J., 1 Oct 2019, In : Geoinformatica. 23, 4, p. 559-589 31 p.

Research output: Contribution to journalJournal articleResearchpeer-review

pruning
Heuristic algorithms
Costs
Computational complexity
heuristics

Exploiting Ratings, Reviews and Relationships for Item Recommendations in Topic Based Social Networks

Li, P., Lu, H., Zheng, G., Zheng, Q., Yang, L. & Pan, G., 2019, Proceedings of the 30th Web Conference (WWW). Association for Computing Machinery, p. 995-1005

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Recommender systems
Factorization
Feedback
4 Downloads (Pure)

Finding Most Popular Indoor Semantic Locations Using Uncertain Mobility Data

Li, H., Lu, H., Shou, L., Chen, G. & Chen, K., 1 Nov 2019, In : I E E E Transactions on Knowledge & Data Engineering. 31, 11, p. 2108 - 2123

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Semantics
Data reduction
Data structures
Marketing
Topology

Finding Most Popular Indoor Semantic Locations Using Uncertain Mobility Data [Extended Abstract]

Li, H., Lu, H., Shou, L., Chen, G. & Chen, K., 2019, The 35th IEEE International Conference on Data Engineering (ICDE). IEEE, p. 2139-2140

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Semantics
Data reduction
Data structures
Marketing
Topology

HisRect: Features from Historical Visits and Recent Tweet for Co-Location Judgement

Li, P., Lu, H., Zheng, Q., Li, S. & Pan, G., 2019, (Accepted/In press) In : I E E E Transactions on Knowledge & Data Engineering.

Research output: Contribution to journalJournal articleResearchpeer-review

30 Downloads (Pure)

Indoor Top-k Keyword-aware Routing Query

Feng, Z., Liu, T., LI, HUAN., Lu, H., Shou, L. & Xu, J., 2 Oct 2019, (Accepted/In press) The 36th IEEE International Conference on Data Engineering (ICDE 2020). IEEE

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Topology
Planning
Experiments

In Search of Indoor Dense Regions: An Approach Using Indoor Positioning Data [Extended Abstract]

Li, H., Lu, H., Shou, L., Chen, G. & Chen, K., 2019, Proceedings of the 35th IEEE International Conference on Data Engineering (ICDE). p. 2127-2128

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Uncertainty analysis
Topology
Concretes
Uncertainty
Indoor positioning systems

Learned index for spatial queries

Wang, H., Fu, X., Xu, J. & Lu, H., Jun 2019, Proceedings - 2019 20th International Conference on Mobile Data Management, MDM 2019. IEEE, p. 569-574 6 p. 8788832. (Proceedings - IEEE International Conference on Mobile Data Management, Vol. 2019-June).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

learning
spatial data
index
partitioning
cost
4 Citations (Scopus)

Location Inference for Non-geotagged Tweets in User Timelines

Li, P., Lu, H., Kanhabua, N., Zhao, S. & Pan, G., 2019, In : I E E E Transactions on Knowledge & Data Engineering. 31, 6, p. 1150-1165 16 p., 8403245.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Location based services
Smartphones
Convolution
Learning systems
Classifiers

Location Inference for Non-geotagged Tweets in User Timelines [Extended Abstract]

Li, P., Lu, H., Kanhabua, N., Zhao, S. & Pan, G., 2019, Proceedings of the 35th IEEE International Conference on Data Engineering (ICDE). p. 2111-2112

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Learning systems
Classifiers
Experiments

On Location Privacy in Fingerprinting-based Indoor Positioning System: An Encryption Approach

Wang, W., Gong, Z., Zhang, J., Lu, H. & Ku, W-S., 2019, 27th SIGSPATIAL/GIS 2019. p. 289-298 9 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Cryptography
Servers
Smartphones
Global positioning system
Indoor positioning systems

Understanding human mobility: A multi-modal and intelligent moving objects database

Xu, J., Lu, H. & Güting, R. H., 19 Aug 2019, Proceedings of the 16th International Symposium on Spatial and Temporal Databases, SSTD 2019. Association for Computing Machinery, p. 222-225 4 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Information management
Artificial intelligence
Data structures
Object-oriented databases
2018
2 Citations (Scopus)

Efficient Matching of Offers and Requests in Social-Aware Ridesharing

Fu, X., Zhang, C., Lu, H. & Xu, J., 13 Jul 2018, 2018 19th IEEE International Conference on Mobile Data Management (MDM). IEEE, Vol. 2018-June. p. 197-206 10 p. (IEEE International Conference on Mobile Data Management (MDM)).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Heuristic algorithms
Costs
Computational complexity
Processing
Experiments
4 Citations (Scopus)
24 Downloads (Pure)

In Search of Indoor Dense Regions: An Approach Using Indoor Positioning Data

LI, HUAN., Lu, H., Shou, L., Chen, G. & Chen, K., 1 Aug 2018, In : I E E E Transactions on Knowledge & Data Engineering. 30, 8, p. 1481-1495 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Uncertainty analysis
Topology
Concretes
Uncertainty
Indoor positioning systems

Querying Spatial Data by Dominators in Neighborhood

Lu, H., Yiu, M. L. & Xie, X., 1 Sep 2018, In : Information Systems. 77, p. 71-85 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Animals
Planning
Processing
Industry
Experiments
7 Citations (Scopus)

Range Queries on Multi-Attribute Trajectories

Xu, J., Lu, H. & Guting, R. H., 1 Jun 2018, In : I E E E Transactions on Knowledge & Data Engineering. 30, 6, p. 1206 - 1211

Research output: Contribution to journalJournal articleResearchpeer-review

Trajectories
1 Citation (Scopus)
57 Downloads (Pure)

TRIPS: A System for Translating Raw Indoor Positioning Data into Visual Mobility Semantics

Li, H., Lu, H., Shi, F., Chen, G., Chen, K. & Shou, L., 2018, In : Proceedings of the VLDB Endowment. 11, 12, p. 1918-1921

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Semantics
2017

Cleansing indoor RFID tracking data

Baba, A. I., Lu, H., Pedersen, T. B. & Jaeger, M., 2017, In : SIGSPATIAL Special. 9, 1, p. 11-18 8 p.

Research output: Contribution to journalJournal articleResearch

2 Citations (Scopus)

Crowdsourcing Based Evaluation of Ranking Approaches for Spatial Keyword Querying

Chen, J., Lu, H., Keles, I. & Jensen, C. S., 29 Jun 2017, Proceedings of the 18th IEEE International Conference on Mobile Data Management (MDM). IEEE, p. 62-71 10 p. 7962437

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

1 Citation (Scopus)

Efficiently answer top-k queries on typed intervals

Xu, J. & Lu, H., 1 Nov 2017, In : Information Systems. 71, p. 164-181 18 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Scalability
Data storage equipment
Costs
Experiments
3 Citations (Scopus)

Finding dense locations in symbolic indoor tracking data: modeling, indexing, and processing

Ahmed, T., Pedersen, T. B. & Lu, H., Jan 2017, In : Geoinformatica. 21, 1, p. 119-150 32 p.

Research output: Contribution to journalJournal articleResearchpeer-review

indexing
Data structures
Processing
modeling
pruning
2 Citations (Scopus)

Finding Influential Local Users with Similar Interest from Geo-tagged Social Media Data

Jiang, J., Lu, H., Li, P., Pan, G. & Xie, X., 2017, Proceedings of the 18th IEEE International Conference on Mobile Data Management (MDM). IEEE, p. 82-91 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

3 Citations (Scopus)

GVoS: A General System for Near-Duplicate Video-Related Applications on Storm

Jiang, J., Tong, Y., Lu, H., Cui, B., Lei, K. & Yu, L., 2017, In : A C M Transactions on Information Systems. 36, 1, 36 p., 3.

Research output: Contribution to journalJournal articleResearchpeer-review

Risk detection and prediction from indoor tracking data

Ahmed, T., Calders, T., Lu, H. & Pedersen, T. B., 2017, In : SIGSPATIAL Special. 9, 2, p. 11-18

Research output: Contribution to journalJournal articleResearch

Open Access
3 Citations (Scopus)

Top-k Taxi Recommendation in Realtime Social-Aware Ridesharing Services

Fu, X., Huang, J., Lu, H., Xu, J. & Li, Y., 2017, Advances in Spatial and Temporal Databases: SSTD 2017. Springer, p. 221-241 21 p. (Lecture Notes in Computer Science, Vol. 10411).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

2016
1 Citation (Scopus)

Cleansing Indoor RFID Data Using Regular Expressions

Baba, A. I., Lu, H., Ku, W-S. & Pedersen, T. B., 2016, Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS). Association for Computing Machinery, p. 77:1-77:4 4 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Expert Team Finding for Review Assignment

Yin, H., Cui, B., Lu, H. & Zhao, L., 2016, The 2016 Conference on Technologies and Applications of Artificial Intelligence (TAAI). IEEE, (Conference on Technologies and Applications of Artificial Intelligence (TAAI)).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

11 Citations (Scopus)

Finding Frequently Visited Indoor POIs Using Symbolic Indoor Tracking Data

Lu, H., Guo, C., Yang, B. & Jensen, C. S., 2016, Proceedings of the 19th International Conference on Extending Database Technology (EDBT). OpenProceedings.org, p. 449-460 12 p. (Advances in Database Technology).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
2 Citations (Scopus)

Indexing and Querying A Large Database of Typed Intervals

Xu, J., Lu, H. & Yao, B., 2016, Advances in Database Technology - EDBT 2016, 19th International Conference on Extending Database Technology, Bordeaux, France, March 15-16, Proceedings. OpenProceedings.org, p. 658-659 (Advances in Database Technology).

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Open Access
2 Citations (Scopus)

Indoor Data Management

Lu, H. & Cheema, M. A., 2016, 32nd IEEE International Conference on Data Engineering (ICDE). IEEE, p. 1414-1417

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

6 Citations (Scopus)

Learning-Based Cleansing for Indoor RFID Data

Baba, A. I., Jaeger, M., Lu, H., Pedersen, T. B., Ku, W-S. & Xie, X., 2016, ACM SIGMOD Conference. Association for Computing Machinery, p. 925-936 12 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

1 Citation (Scopus)
284 Downloads (Pure)

Online Risk Prediction for Indoor Moving Objects

Ahmed, T., Pedersen, T. B., Calders, T. & Lu, H., Jun 2016, 17th IEEE International Conference on Mobile Data Management. IEEE Computer Society Press, p. 102-111 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Flow graphs
Airports
Baggage handling
Bluetooth
Radio frequency identification (RFID)
2 Citations (Scopus)

Outdoor-indoor Space: Unified Modeling and Shortest Path Search

Jensen, S. K., Nielsen, J. T. V., Lu, H. & Cheema, M. A., 31 Oct 2016, Proceedings of the Eighth ACM SIGSPATIAL International Workshop on Indoor Spatial Awareness. Aamir Cheema, M., Eunus Ali, M. & Yang, S. (eds.). Association for Computing Machinery, p. 35-42 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Topology
9 Citations (Scopus)
60 Downloads (Pure)

VIP-Tree: An Effective Index for Indoor Spatial Queries

Shao, Z., Cheema, M. A., Taniar, D. & Lu, H., 2016, In : Proceedings of the VLDB Endowment. 10, 4, p. 325-336

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
7 Citations (Scopus)
49 Downloads (Pure)

Vita: A Versatile Toolkit for Generating Indoor Mobility Data for Real-World Buildings

Li, H., Lu, H., Chen, X., Chen, G., Chen, K. & Shou, L., 2016, In : Proceedings of the VLDB Endowment. 9, 13, p. 1453-1456 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
2015

A Framework for Multi-Criteria Optimal Location Selection

Zhang, J., Ku, W-S., Jiang, X., Qin, X., Sun, M-T. & Lu, H., 2015, Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems. Association for Computing Machinery, 4 p. 86

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

31 Citations (Scopus)

City-Scale Social Event Detection and Evaluation with Taxi Traces

Zhang, W., Qi, G., Pan, G., Lu, H., Li, S. & Wu, Z., 2015, In : ACM Transactions on Intelligent Systems and Technology (TIST). 6, 3, 20 p., 40.

Research output: Contribution to journalJournal articleResearchpeer-review

16 Citations (Scopus)
281 Downloads (Pure)

Distance-Aware Join for Indoor Moving Objects

Xie, X., Lu, H. & Pedersen, T. B., 2015, In : IEEE Transactions on Knowledge and Data Engineering. 27, 2, p. 428-442

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File

E2C2: Efficient and Effective Camera Calibration in Indoor Environments

Li, H., Peng, P., Lu, H., Shou, L., Chen, K. & Chen, G., 2015, Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers. Association for Computing Machinery, p. 9-12

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

26 Citations (Scopus)

Finding top-k local users in geo-tagged social media data

Jiang, J., Lu, H., Yang, B. & Cui, B., 2015, 31st IEEE International Conference on Data Engineering, ICDE 2015, Seoul, South Korea, April 13-17, 2015. IEEE, p. 267-278 12 p.

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

29 Citations (Scopus)

Planning unobstructed paths in traffic-aware spatial networks

Shang, S., Liu, J., Zheng, K., Lu, H., Pedersen, T. B. & Wen, J. R., 1 Oct 2015, In : Geoinformatica. 19, 4, p. 723-746 24 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Blocking probability
Motion planning
congestion
traffic
Planning
2014
9 Citations (Scopus)

A Journey from IFC Files to Indoor Navigation

Svendstrup Boysen, M., de Haas, C., Lu, H. & Xie, X., 2014, Web and Wireless Geographical Information Systems - 13th International Symposium, W2GIS 2014. Springer, Vol. 8470. p. 148-165 18 p. (Lecture Notes in Computer Science).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

4 Citations (Scopus)

A Skylining Approach to Optimize Influence and Cost in Location Selection

Shi, J., Lu, H., Lu, J. & Liao, C., 2014, Database Systems for Advanced Applications (DASFAA 2014). Springer Publishing Company, Vol. 8422. p. 61-76 (Lecture Notes in Computer Science).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

10 Citations (Scopus)

Constructing indoor navigation systems from digital building information

Svendstrup Boysen, M., de Haas, C., Lu, H., Xie, X. & Pilvinyte, A., 2014, IEEE 30th International Conference on Data Engineering, ICDE 2014. IEEE Press, p. 1194-1197 4 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

43 Citations (Scopus)

Efficient Skyline Computation in MapReduce

Mullesgaard, K., Pedersen, J. L., Lu, H. & Zhou, Y., 2014, Proc. 17th International Conference on Extending Database Technology (EDBT). p. 37-48 12 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review