Anxiao (Andrew) Jiang’s research while affiliated with Texas A&M University and other places

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Publications (113)


Symbolic Modeling for Financial Asset Pricing
  • Article

December 2025

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6 Reads

The Journal of Finance and Data Science

Xiangwu Zuo

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Anxiao(Andrew) Jiang

Enhancing symbolic regression with side information for data analysis

January 2025

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9 Reads

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1 Citation

Advances in Data Analysis and Classification

This paper introduces the Side Information Boosted Symbolic Regression (SIBSR) model, an enhanced approach in symbolic regression aimed at improving data analysis. SIBSR integrates side information to increase the accuracy and efficiency of modeling complex data relationships. In addition, we introduce the Side Information Generator, a complementary tool designed to assist in generating a range of potential side information options. This enables users to select the most effective side information for specific tasks, thereby enhancing practical utility. Our experimental findings demonstrate the efficacy of SIBSR in standard symbolic regression tasks and its practical application in economic contexts, notably in formulating Nash Equilibrium expressions in Game Theory. These results underscore SIBSR’s potential in advancing the field of data analysis. The source codes are available at: https://github.com/dkflame/SIBSR.





FIG 1 The probability of lysogeny is independent of the number of infecting phages at the singlecell level. (A) Schematic of the P1 lysis-lysogeny regulatory network. (B) Probability of lysogeny as a function of MOI. The probability of lysogeny remains constant over different MOI for wild-type (WT) cells at ;14.53% (blue; cell sample sizes for MOI of 1 to 5 are 457, 277, 168, 62, and 68, respectively) and for Lxc-overexpressing cells at ;26.58% (black; cell sample sizes for MOI of 1 to 5 are 295, 132, 55, 38, and 15, respectively). For cells with more C1 operator sequences (red; cell sample sizes for MOI of 1 to 5 are 147, 111, 44, 14, and 9, respectively), the probability of lysogeny increases with MOI at lower MOI and returns to the normal level at MOI of .3. Error bars denote counting errors. (C) The injected DNA copy number correlates with the prediction very well (see also Fig. S2C). Cell sample sizes for MOI of 1 to 5 are 83, 33, 17, 14, and 5, respectively. Filled squares, experimental data; red line, linear regression fit; black dashed line, diagonal indicating the perfect positive correlation. Error bars denote standard errors of the means.
FIG 2 Influence of C1 activity on the probability of P1 lysogeny. (A) The average expression level of C1 (mVenus intensity) in lysogenic cells is higher than the level in lytic cells. Bold lines, mean intensities; light lines, C1 expression trajectories of each individual cell. Blue, lysogenic cells (n = 47); red, lytic cells (n = 165). (B) Probability of lysogeny upon the infection of E. coli cells with different expression levels of Lxc at the bulk level (MOI = 1). Lxc was induced with different concentrations of IPTG from the PLacO promoter on a plasmid. The error bars denote counting errors.
FIG 3 The interaction of C1, Coi, and Lxc leads to the constant C1 activity of each phage despite different MOI. (A) Schematic of the coi-c1 operon and the smFISH method. C1 is expressed from two promoters (P1coi and Pc1), while Coi is expressed only from P1coi. C1 is able to inhibit both P1coi and Pc1 by binding to the adjacent operator sequences. Coi forms a 1:1 complex with C1 to inactivate C1 function. Lxc promotes C1 binding affinity to its operators and inhibits the dissociated function of Coi. (B) Representative images showing mRNA expression at 30 min after infection at bulk MOI of 0.2 (top) and 5 (bottom). Cyan, c1; red, coi; green, lxc. Bar = 2 mm. (C) Free c1 mRNA per phage decreases with MOI. See also Fig. S5. (D) The level of lxc mRNA increases with MOI. (E) The C1 activity of each infecting phage, i.e., free c1 mRNA times lxc mRNA per phage, is similar at different MOI. (F) In Lxc-overexpressed host cells, the lysis-lysogeny decision is determined by the level of C1 per phage. smFISH experiments show that the level of c1 mRNA per phage is similar at different MOI. In all plots, error bars denote standard errors of the means.
FIG 4 P1 virions infecting the same host cell make an ensemble lysis-lysogeny decision. (A) Representative images showing phage DNA behaviors in normal-sized E. coli cells at an MOI of 2 (green signals represent TetR-mNeonGreen-bound phage DNAs). (Left) One of the phage DNAs replicated earlier or faster than the other, resulting in an unsynchronized pattern. (Middle) Phage DNAs physically moved together. (Right) Phage DNAs located at different cell areas showed synchronized replication patterns. The MOI was determined by the number of mTurquoise2 fluorescent phages (red dots indicated by red arrows) attached on the cell surface at 0 min. (B) Representative images showing unsynchronized phage DNA behaviors in long cells with lKil expression at an MOI of 2. Bar = 2 mm. (C) Bar plot showing more nonindividual DNA behaviors in normal-sized cells (n = 82) versus more individual phage DNA behaviors in long cells (n = 79). The error bars denote counting errors. (D) Box plot of the distance between coinfecting phages on the surface of long cells (red, n = 121) is much larger than that in normal-sized cells (blue, n = 113) at an MOI of 2. *, P , 0.001 as determined by Student's t test. See also Fig. S6.
FIG 5 MOI-dependent lysogenization was increased by increasing the distance between coinfecting phages. (A) Representative images of normal-sized cells and long cells. Bar = 2 mm. (B) The probability of lysogeny increases with MOI for long cells (red) and remains constant for normal-sized cells (blue), tested at the bulk level (see also Fig. S7). Red circles, lKil was induced using 0.05% arabinose from plasmid pBAD to generate long cells. Blue circles, no arabinose treatment. (C) Comparison of the probability of lysogeny increasing with MOI upon infection of normal-sized cells and long cells at the single-cell level. Orange, long cells (cell sample sizes for MOI of 1 to 8 are 22, 20, 20, 32, 21, 19, 19 and 15, respectively); blue, normal-sized cells (see also Fig. 1B). Error bars denote counting errors.

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Interactions between Viral Regulatory Proteins Ensure an MOI-Independent Probability of Lysogeny during Infection by Bacteriophage P1
  • Article
  • Full-text available

September 2021

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138 Reads

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9 Citations

Phage P1 has been shown potentially to play an important role in disseminating antibiotic resistance among bacteria during lysogenization, as evidenced by the prevalence of P1 phage-like elements in animal and human pathogens. In contrast to phage λ, a cell fate decision-making paradigm, P1 lysogenization was shown to be independent of MOI.

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Functional Error Correction for Robust Neural Networks

May 2020

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36 Reads

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30 Citations

IEEE Journal on Selected Areas in Information Theory

When neural networks (NeuralNets) are implemented in hardware, their weights need to be stored in memory devices. As noise accumulates in the stored weights, the NeuralNet’s performance will degrade. This paper studies how to use error correcting codes (ECCs) to protect the weights. Different from classic error correction in data storage, the optimization objective is to optimize the NeuralNet’s performance after error correction, instead of minimizing the Uncorrectable Bit Error Rate in the protected bits. That is, by seeing the NeuralNet as a function of its input, the error correction scheme is function-oriented. A main challenge is that a deep NeuralNet often has millions to hundreds of millions of weights, causing a large redundancy overhead for ECCs, and the relationship between the weights and its NeuralNet’s performance can be highly complex. To address the challenge, we propose a Selective Protection (SP) scheme, which chooses only a subset of important bits for ECC protection. To find such bits and achieve an optimized tradeoff between ECC’s redundancy and NeuralNet’s performance, we present an algorithm based on deep reinforcement learning. Experimental results verify that compared to the natural baseline scheme, the proposed algorithm can achieve substantially better performance for the functional error correction task.


Citations (74)


... Transformer-based models, Generative Adversarial Networks (GAN) variants (Goodfellow, Pouget-Abadie, Mirza, Xu, Warde-Farley, Ozair, Courville and Bengio, 2014), and diffusion-based techniques (Yang, Zhang, Song, Hong, Xu, Zhao, Zhang, Cui and Yang, 2023) can further integrate text logs, biometric signals, or mobile data, creating multifaceted synthetic records. Similar methods have been used in healthcare (e.g., blending clinical notes and diagnostic images) (Moor, Banerjee, Abad, Krumholz, Leskovec, Topol and Rajpurkar, 2023;Giuffrè and Shung, 2023) and finance (e.g., simulating trader actions) (Zuo, Jiang and Zhou, 2024), enabling research free of confidentiality breaches. By aligning generation strategies with the unique traits of regional betting cultures, researchers can reveal subtle risk patterns that standardized models might miss, opening opportunities for more focused and relevant interventions. ...

Reference:

Multimodal Generative AI and Foundation Models for Behavioural Health in Online Gambling
Reinforcement Prompting for Financial Synthetic Data Generation
  • Citing Article
  • August 2024

The Journal of Finance and Data Science

... In 2021, Yu et al. [17] proposed a novel method that incorporates template-based QG model with a sequence-to-sequence model for diversity-aware QG. They did not apply stringent templates, instead they used adjustable patterns that can be collected effectively with less cost. ...

Expanding, Retrieving and Infilling: Diversifying Cross-Domain Question Generation with Flexible Templates
  • Citing Conference Paper
  • January 2021

... The finding of an optimal MOI of 1 has important guiding significance for the dose design of future phage preparations. However, it should be noted that the optimal MOI obtained under laboratory conditions may differ from actual application environments, so more factors need to be considered when developing actual treatment plans, such as the physiological state of the host animal and the method of administration [23][24][25]. ...

Interactions between Viral Regulatory Proteins Ensure an MOI-Independent Probability of Lysogeny during Infection by Bacteriophage P1

... These benchmarks and datasets are often adapted from real-life applications, with many containing domain-specific knowledge that may not generalize effectively to unseen SQL domains. Hence, largescale cross-domain datasets featuring professional SQL queries, such as Squall (Shi et al., 2020), Spider (Yu et al., 2018a), Spider-Syn (Gan et al., 2021), WikiSQL (Zhong et al., 2017), and SparC (Yu et al., 2020), have been introduced to facilitate comprehensive method analyses. In retrospect, we realize two concurrent works which perform systematical benchmarking on text-to-SQL methods. ...

Dataset and Enhanced Model for Eligibility Criteria-to-SQL Semantic Parsing

... While average-case robustness is more suited for applications such as malware detection, worst-case robustness is relevant in critical applications such as neuromorphic computing. It was recently shown in Raviv et al. (2020) that worst-case robustness is impossible even against one bit erasure (i.e., setting x i = 0 for some i), unless redundancy is added, and a simple methods of adding such redundancy was given. ...

CodNN – Robust Neural Networks From Coded Classification
  • Citing Conference Paper
  • June 2020

... Conventional fault tolerance methods, such as Error Correction Codes (ECCs) and Triple Modular Redundancy (TMR), often impose significant overheads, undermining the advantages of approximate computing [25], [26]. A comprehensive list of such techniques for AccDNN fault detection and mitigation can be found in [27], [28]. ...

Functional Error Correction for Reliable Neural Networks
  • Citing Conference Paper
  • June 2020

... The issue of using error-correcting codes to improve the efficiency of RTCSs is considered in detail in [16,17]. The studies report the results of experimental tests, which confirm that the algorithms developed by the authors demonstrate significantly higher performance in the context of functional error correction, compared to conventional approaches. ...

Functional Error Correction for Robust Neural Networks
  • Citing Article
  • May 2020

IEEE Journal on Selected Areas in Information Theory

... The work in [54] also extend the analog computing architectures to support dynamic precision with redundant coding by repeating operations and averaging the result. The protection of the weights and bias of neural network from noise using linear and nonlinear analog error correction codes in order to prevent performance degradation has been proposed in [55], [56]. The works also explored the use of unequal error protection method for weights at different layers of a binarized network due to the uneven effect of noise in different layers. ...

Error Correction for Noisy Neural Networks
  • Citing Research
  • October 2019

... An effective way to solve the above problems is to fully exploit the natural redundancy in the source and protocol stack, so as to improve the forward error correction ability of the received data. Source natural redundancy [11][12][13] refers to the redundancy law that remains when the source is not compressed or compressed incompletely, and protocol natural redundancy refers to the redundancy law that is inevitably introduced into the protocol fields of each layer in the independent design of the network layer. Although it is artificially designed, the purpose is not to improve the communication reliability. ...

Representation-Oblivious Error Correction by Natural Redundancy
  • Citing Conference Paper
  • May 2019

... In recent works (including results from the authors of this work), machine learning and algorithmic techniques have been used to exploit NR to correct errors in data [21], [22], [23], [27], [33], [48], [49], [53], [54]. This work studies the Representation-Oblivious scheme for the first time, and also presents new theoretical analysis for the Representation-Aware scheme. ...

Stopping set elimination for LDPC codes