Search Results for author: Mohammed J. Zaki

Found 26 papers, 19 papers with code

End-to-end Differentiable Clustering with Associative Memories

1 code implementation5 Jun 2023 Bishwajit Saha, Dmitry Krotov, Mohammed J. Zaki, Parikshit Ram

Clustering is a widely used unsupervised learning technique involving an intensive discrete optimization problem.

Clustering

The Information Pathways Hypothesis: Transformers are Dynamic Self-Ensembles

1 code implementation2 Jun 2023 Md Shamim Hussain, Mohammed J. Zaki, Dharmashankar Subramanian

However, the dynamic (i. e., input-dependent) nature of these pathways makes it difficult to prune dense self-attention during training.

Graph Learning Graph Regression +3

Energy Transformer

4 code implementations NeurIPS 2023 Benjamin Hoover, Yuchen Liang, Bao Pham, Rameswar Panda, Hendrik Strobelt, Duen Horng Chau, Mohammed J. Zaki, Dmitry Krotov

Our work combines aspects of three promising paradigms in machine learning, namely, attention mechanism, energy-based models, and associative memory.

Graph Anomaly Detection Graph Classification

Associative Learning for Network Embedding

no code implementations30 Aug 2022 Yuchen Liang, Dmitry Krotov, Mohammed J. Zaki

The network embedding task is to represent the node in the network as a low-dimensional vector while incorporating the topological and structural information.

Network Embedding Node Classification

Towards Neural Numeric-To-Text Generation From Temporal Personal Health Data

1 code implementation11 Jul 2022 Jonathan Harris, Mohammed J. Zaki

We examine recurrent, convolutional, and Transformer-based encoder-decoder models to automatically generate natural language summaries from numeric temporal personal health data.

Data Summarization Text Generation +2

FETILDA: An Effective Framework For Fin-tuned Embeddings For Long Financial Text Documents

1 code implementation14 Jun 2022 Bolun "Namir" Xia, Vipula D. Rawte, Mohammed J. Zaki, Aparna Gupta

It is therefore of great interest to learn predictive models from these long textual documents, especially for forecasting numerical key performance indicators (KPIs).

regression

Keyphrase Extraction Using Neighborhood Knowledge Based on Word Embeddings

no code implementations13 Nov 2021 Yuchen Liang, Mohammed J. Zaki

Keyphrase extraction is the task of finding several interesting phrases in a text document, which provide a list of the main topics within the document.

Keyphrase Extraction Word Embeddings

Global Self-Attention as a Replacement for Graph Convolution

3 code implementations7 Aug 2021 Md Shamim Hussain, Mohammed J. Zaki, Dharmashankar Subramanian

The resultant framework - which we call Edge-augmented Graph Transformer (EGT) - can directly accept, process and output structural information of arbitrary form, which is important for effective learning on graph-structured data.

Edge Classification Graph Classification +7

TINKER: A framework for Open source Cyberthreat Intelligence

no code implementations10 Feb 2021 Nidhi Rastogi, Sharmishtha Dutta, Mohammed J. Zaki, Alex Gittens, Charu Aggarwal

The information is extracted and stored in a structured format using knowledge graphs such that the semantics of the threat intelligence can be preserved and shared at scale with other security analysts.

Information Retrieval Intrusion Detection +3

Can a Fruit Fly Learn Word Embeddings?

2 code implementations ICLR 2021 Yuchen Liang, Chaitanya K. Ryali, Benjamin Hoover, Leopold Grinberg, Saket Navlakha, Mohammed J. Zaki, Dmitry Krotov

In this work we study a mathematical formalization of this network motif and apply it to learning the correlational structure between words and their context in a corpus of unstructured text, a common natural language processing (NLP) task.

Document Classification Word Embeddings +2

Iterative Deep Graph Learning for Graph Neural Networks: Better and Robust Node Embeddings

2 code implementations NeurIPS 2020 Yu Chen, Lingfei Wu, Mohammed J. Zaki

In this paper, we propose an end-to-end graph learning framework, namely Iterative Deep Graph Learning (IDGL), for jointly and iteratively learning graph structure and graph embedding.

Graph Embedding Graph Learning +1

MALOnt: An Ontology for Malware Threat Intelligence

1 code implementation20 Jun 2020 Nidhi Rastogi, Sharmishtha Dutta, Mohammed J. Zaki, Alex Gittens, Charu Aggarwal

The knowledge graph that uses MALOnt is instantiated from a corpus comprising hundreds of annotated malware threat reports.

Decision Making Graph Generation +1

Toward Subgraph-Guided Knowledge Graph Question Generation with Graph Neural Networks

1 code implementation13 Apr 2020 Yu Chen, Lingfei Wu, Mohammed J. Zaki

In this work, we focus on a more realistic setting where we aim to generate questions from a KG subgraph and target answers.

Data Augmentation KG-to-Text Generation +3

Personal Health Knowledge Graphs for Patients

no code implementations31 Mar 2020 Nidhi Rastogi, Mohammed J. Zaki

Existing patient data analytics platforms fail to incorporate information that has context, is personal, and topical to patients.

Knowledge Graphs

A Framework for Generating Explanations from Temporal Personal Health Data

no code implementations20 Mar 2020 Jonathan J. Harris, Ching-Hua Chen, Mohammed J. Zaki

Whereas it has become easier for individuals to track their personal health data (e. g., heart rate, step count, food log), there is still a wide chasm between the collection of data and the generation of meaningful explanations to help users better understand what their data means to them.

Explanation Generation

Deep Iterative and Adaptive Learning for Graph Neural Networks

1 code implementation17 Dec 2019 Yu Chen, Lingfei Wu, Mohammed J. Zaki

In this paper, we propose an end-to-end graph learning framework, namely Deep Iterative and Adaptive Learning for Graph Neural Networks (DIAL-GNN), for jointly learning the graph structure and graph embeddings simultaneously.

Graph Learning Graph structure learning +2

Iterative Deep Graph Learning for Graph Neural Networks

no code implementations25 Sep 2019 Yu Chen, Lingfei Wu, Mohammed J. Zaki

In this paper, we propose an end-to-end graph learning framework, namely Iterative Deep Graph Learning (IDGL), for jointly learning graph structure and graph embedding simultaneously.

Graph Embedding Graph Learning +2

GraphFlow: Exploiting Conversation Flow with Graph Neural Networks for Conversational Machine Comprehension

1 code implementation31 Jul 2019 Yu Chen, Lingfei Wu, Mohammed J. Zaki

The proposed GraphFlow model can effectively capture conversational flow in a dialog, and shows competitive performance compared to existing state-of-the-art methods on CoQA, QuAC and DoQA benchmarks.

Graph structure learning Machine Reading Comprehension

KATE: K-Competitive Autoencoder for Text

1 code implementation4 May 2017 Yu Chen, Mohammed J. Zaki

Autoencoders have been successful in learning meaningful representations from image datasets.

Document Classification Retrieval +1

Arabesque: A System for Distributed Graph Mining - Extended version

no code implementations14 Oct 2015 Carlos H. C. Teixeira, Alexandre J. Fonseca, Marco Serafini, Georgos Siganos, Mohammed J. Zaki, Ashraf Aboulnaga

However, these platforms do not represent a good match for distributed graph mining problems, as for example finding frequent subgraphs in a graph.

Distributed, Parallel, and Cluster Computing

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