Hi there! I am a postdoc at Harvard University, working with Prof. Stratos Idreos on adaptive data systems. Before that, I got my PhD at Université Paris Cité under Prof. Themis Palpanas. I am also fortunate to closely collaborate with Prof. Ke Li at Simon Fraser University.

Publications

Xu Zhang, Zhengang Huang, Yunzhi Wu, Xun Lu, Erpeng Qi, Yunkai Chen, Zhongya Xue, Qitong Wang†, Peng Wang, Wei Wang. Multi-period Learning for Financial Time Series Forecasting. Accepted at KDD 2025.

Qitong Wang, Ioana Ileana, Themis Palpanas. LeaFi: Data Series Indexes on Steroids with Learned Filters. Accepted at SIGMOD 2025.

Zeyu Wang, Qitong Wang†, Xiaoxing Cheng, Peng Wang, Themis Palpanas, Wei Wang. Steiner-Hardness: a Query Hardness Measure for Graph-Based ANN Indexes. PVLDB 17(13), 2024. [pdf]

Xu Zhang, Zhipeng Xie, Haiyang Yu, Qitong Wang†, Peng Wang, Wei Wang. Enhancing Adaptive Deep Networks for Image Classification via Uncertainty-aware Decision Fusion. MM 2024. [pdf]

Zeyu Wang, Qitong Wang, Peng Wang, Themis Palpanas, Wei Wang. DumpyOS: A Data-Adaptive Multi-ary Index for Scalable Data Series Similarity Search. VLDBJ 2024. [pdf]

Sijie Dong, Qitong Wang, Soror Sahri, Themis Palpanas, Divesh Srivastava. Efficiently Mitigating the Impact of Data Drift on Machine Learning Pipelines. PVLDB 17(11), 2024. [pdf]

Qitong Wang, Themis Palpanas. SEAnet: A Deep Learning Architecture for Data Series Similarity Search. TKDE 35(12), 2023. [pdf]

Zeyu Wang, Qitong Wang, Peng Wang, Themis Palpanas, Wei Wang. Dumpy: A Compact and Adaptive Index for Large Data Series Collections. SIGMOD 2023. [pdf]

Zhuxian Guo, Qitong Wang, Henning Müller, Themis Palpanas, Nicolas Loménie, Camille Kurtz. Hierarchical Transformer Encoder to Improve Entire Neoplasm Area Segmentation on Whole Slide Image of Hepatocellular Carcinoma. ISBI 2023. [pdf]

Qitong Wang, Stephen Whitmarsh, Vincent Navarro, Themis Palpanas. iEDeaL: A Deep Learning Framework for Detecting Highly Imbalanced Interictal Epileptiform Discharges. PVLDB 16(3), 2022. [pdf][code][supp]

Qitong Wang. Data Series Similarity Search via Deep Learning. VLDB PhD Workshop 2022. [pdf][supp]

Qitong Wang, Themis Palpanas. Deep Learning Embeddings for Data Series Similarity Search. KDD 2021. [pdf][code][supp]

Zhongsheng Li, Qiuhong Li, Wei Wang, Qitong Wang, Fengbin Qi, Yimin Liu, Peng Wang. HDUMP: A Data Recovery Tool for Hadoop. DASFAA (demo) 2018.

† indicates the corresponding author(s).

Talks

What Can Deep Learning Do for Data Series Similarity Search? FORTH, Jul 2024; Fudan, Mar 2024; SFU, Aug 2023; UPCité, Jun 2023; MIT, Jun 2023; Harvard, May 2023.

Deep Learning Embeddings for Data Series Similarity Search. Tsinghua AI Time, Oct 2021; Fudan, May 2021. [supp]

Services

Reviewer & PC Member	PVLDB 24-25, KDD 25, TKDE 24, MulTiSA@ICDE 24
Invited External Reviewer	ICDE 23, PAKDD 22, ICDM 22, PVLDB 21, DMKD 21
Student Volunteer	SIGMOD 23/20

Awards and Funding

BDA Thesis Award 2024. The French Data Management Community (BDA), Oct 2024.

VLDB 2024 Travel Grant. The VLDB Endowment, Aug 2024.

SIGMOD 2023 Travel Award. The ACM SIGMOD, Apr 2023.

Deep Active Learning-based EEG Epilepsy Detection and Analysis. Qitong Wang (PI). The Data Intelligence Institute of Paris (diiP), Jan-Jul 2023.

Deep Learning-based EEG Epilepsy Detection and Analysis. Qitong Wang (PI). The Data Intelligence Institute of Paris (diiP), May-Aug 2022.