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- research-articleOctober 2024
Probabilistic Path Integration with Mixture of Baseline Distributions
CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge ManagementPages 570–580https://doi.org/10.1145/3627673.3679641Path integration methods generate attributions by integrating along a trajectory from a baseline to the input. These techniques have demonstrated considerable effectiveness in the field of explainability research. While multiple types of baselines for ...
- research-articleOctober 2024
A Learning-based Approach for Explaining Language Models
CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge ManagementPages 98–108https://doi.org/10.1145/3627673.3679548We present Learning Attributions (LA), a novel method for explaining language models. The core idea behind LA is to train a dedicated attribution model that functions as a surrogate explainer for the language model. This attribution model is designed to ...
- research-articleAugust 2024
Personalized Cadence Awareness for Next Basket Recommendation
ACM Transactions on Recommender Systems (TORS), Volume 3, Issue 1Article No.: 6, Pages 1–23https://doi.org/10.1145/3652863This empirical study addresses the problem of Next Basket Repurchase Recommendation (NBRR), an often overlooked aspect of Next Basket Recommendation (NBR). While NBR aims to suggest items for a user’s next basket based on their prior basket history, NBRR ...
- research-articleMay 2024
A Counterfactual Framework for Learning and Evaluating Explanations for Recommender Systems
WWW '24: Proceedings of the ACM Web Conference 2024Pages 3723–3733https://doi.org/10.1145/3589334.3645560In the field of recommender systems, explainability remains a pivotal yet challenging aspect. To address this, we introduce the Learning to eXplain Recommendations (LXR) framework, a post-hoc, model-agnostic approach designed for providing counterfactual ...
- abstractOctober 2023
Harnessing GPT for Topic-Based Call Segmentation in Microsoft Dynamics 365 Sales
CIKM '23: Proceedings of the 32nd ACM International Conference on Information and Knowledge ManagementPages 5246–5247https://doi.org/10.1145/3583780.3615508Transcriptions of phone calls hold significant value in sales, customer service, healthcare, law enforcement, and more. However, analyzing recorded conversations can be a time-consuming process, especially for complex dialogues. In Microsoft Dynamics 365 ...
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- research-articleOctober 2023
Deep Integrated Explanations
CIKM '23: Proceedings of the 32nd ACM International Conference on Information and Knowledge ManagementPages 57–67https://doi.org/10.1145/3583780.3614836This paper presents Deep Integrated Explanations (DIX) - a universal method for explaining vision models. DIX generates explanation maps by integrating information from the intermediate representations of the model, coupled with their corresponding ...
- research-articleAugust 2023
Modeling users’ heterogeneous taste with diversified attentive user profiles
User Modeling and User-Adapted Interaction (KLU-USER), Volume 34, Issue 2Pages 375–405https://doi.org/10.1007/s11257-023-09376-9AbstractTwo important challenges in recommender systems are modeling users with heterogeneous taste and providing explainable recommendations. In order to improve our understanding of the users in light of these challenges, we developed the attentive ...
- research-articleSeptember 2022
Learning to Ride a Buy-Cycle: A Hyper-Convolutional Model for Next Basket Repurchase Recommendation
RecSys '22: Proceedings of the 16th ACM Conference on Recommender SystemsPages 316–326https://doi.org/10.1145/3523227.3546763The problem of Next Basket Recommendation (NBR) addresses the challenge of recommending items for the next basket of a user, based on her sequence of prior baskets. In this paper, we focus on a variation of this problem in which we aim to predict ...
- research-articleApril 2022
Interpreting BERT-based Text Similarity via Activation and Saliency Maps
WWW '22: Proceedings of the ACM Web Conference 2022Pages 3259–3268https://doi.org/10.1145/3485447.3512045Recently, there has been growing interest in the ability of Transformer-based models to produce meaningful embeddings of text with several applications, such as text similarity. Despite significant progress in the field, the explanations for similarity ...
- research-articleOctober 2021
GAM: Explainable Visual Similarity and Classification via Gradient Activation Maps
CIKM '21: Proceedings of the 30th ACM International Conference on Information & Knowledge ManagementPages 68–77https://doi.org/10.1145/3459637.3482430We present Gradient Activation Maps (GAM) - a machinery for explaining predictions made by visual similarity and classification models. By gleaning localized gradient and activation information from multiple network layers, GAM offers improved visual ...
- research-articleOctober 2021
Representation Learning via Variational Bayesian Networks
CIKM '21: Proceedings of the 30th ACM International Conference on Information & Knowledge ManagementPages 78–88https://doi.org/10.1145/3459637.3482363We present Variational Bayesian Network (VBN) - a novel Bayesian entity representation learning model that utilizes hierarchical and relational side information and is particularly useful for modeling entities in the "long-tail'', where the data is ...
- short-paperOctober 2021
Grad-SAM: Explaining Transformers via Gradient Self-Attention Maps
CIKM '21: Proceedings of the 30th ACM International Conference on Information & Knowledge ManagementPages 2882–2887https://doi.org/10.1145/3459637.3482126Transformer-based language models significantly advanced the state-of-the-art in many linguistic tasks. As this revolution continues, the ability to explain model predictions has become a major area of interest for the NLP community. In this work, we ...
- short-paperOctober 2021
Anchor-based Collaborative Filtering
CIKM '21: Proceedings of the 30th ACM International Conference on Information & Knowledge ManagementPages 2877–2881https://doi.org/10.1145/3459637.3482056Modern-day recommender systems are often based on learning representations in a latent vector space that encode user and item preferences. In these models, each user/item is represented by a single vector and user-item interactions are modeled by some ...
- short-paperSeptember 2020
Explainable Recommendations via Attentive Multi-Persona Collaborative Filtering
RecSys '20: Proceedings of the 14th ACM Conference on Recommender SystemsPages 468–473https://doi.org/10.1145/3383313.3412226Two main challenges in recommender systems are modeling users with heterogeneous taste, and providing explainable recommendations. In this paper, we propose the neural Attentive Multi-Persona Collaborative Filtering (AMP-CF) model as a unified solution ...
- research-articleJanuary 2020
InverSynth: Deep Estimation of Synthesizer Parameter Configurations From Audio Signals
IEEE/ACM Transactions on Audio, Speech and Language Processing (TASLP), Volume 27, Issue 12Pages 2385–2396https://doi.org/10.1109/TASLP.2019.2944568Sound synthesis is a complex field that requires domain expertise. Manual tuning of synthesizer parameters to match a specific sound can be an exhaustive task, even for experienced sound engineers. In this paper, we introduce InverSynth - an automatic ...
- research-articleSeptember 2019
When actions speak louder than clicks: a combined model of purchase probability and long-term customer satisfaction
RecSys '19: Proceedings of the 13th ACM Conference on Recommender SystemsPages 287–295https://doi.org/10.1145/3298689.3347044Maximizing sales and revenue is an important goal of online commercial retailers. Recommender systems are designed to maximize users' click or purchase probability, but often disregard users' eventual satisfaction with purchased items. As result, such ...
- research-articleSeptember 2019
CB2CF: a neural multiview content-to-collaborative filtering model for completely cold item recommendations
RecSys '19: Proceedings of the 13th ACM Conference on Recommender SystemsPages 228–236https://doi.org/10.1145/3298689.3347038In Recommender Systems research, algorithms are often characterized as either Collaborative Filtering (CF) or Content Based (CB). CF algorithms are trained using a dataset of user preferences while CB algorithms are typically based on item profiles. ...
- ArticleFebruary 2017
Bayesian neural word embedding
Recently, several works in the domain of natural language processing presented successful methods for word embedding. Among them, the Skip-Gram with negative sampling, known also as word2vec, advanced the state-of-the-art of various linguistics tasks. ...
- research-articleFebruary 2017
Groove Radio: A Bayesian Hierarchical Model for Personalized Playlist Generation
WSDM '17: Proceedings of the Tenth ACM International Conference on Web Search and Data MiningPages 445–453https://doi.org/10.1145/3018661.3018718This paper describes an algorithm designed for Microsoft's Groove music service, which serves millions of users world wide. We consider the problem of automatically generating personalized music playlists based on queries containing a ``seed'' artist ...
- ArticleDecember 2013
Fast High Dimensional Vector Multiplication Face Recognition
ICCV '13: Proceedings of the 2013 IEEE International Conference on Computer VisionPages 1960–1967https://doi.org/10.1109/ICCV.2013.246This paper advances descriptor-based face recognition by suggesting a novel usage of descriptors to form an over-complete representation, and by proposing a new metric learning pipeline within the same/not-same framework. First, the Over-Complete Local ...