Personal Assistant Systems
The Reviews For That Conservative Dating App Are In--and They're Thrilling
I met my husband in 2008 and therefore skipped the whole online dating universe that dominates how we hook up and fall in love in 2022. So I was pretty excited to try out The Right Stuff--the Peter Thiel-backed dating app for conservatives--you know, for journalism, and end my personal streak of dating-app virginity. "Inae falls in love with a patriot and divorces her husband," my esteemed colleague Abigail Weinberg had predicted for me. But after filling out the questionnaires and selecting photos to build my profile, I got stuck on the last step requiring an invite. I had no choice but to hit delete; my status as a dating app virgin remains intact. But it turns out I wasn't the only one disappointed by the system--a bunch of reviewers in the app store, first spotted here, also had complaints.
Pixel 7's Google Assistant updates let you silence calls with your voice
Google is fond of introducing Assistant features alongside new devices, and that's true for the Pixel 7. Among other upgrades, the new phone now lets you mute incoming calls just by saying "silence." You don't have to let the call ring if you can't (or just don't want to) reach for your handset. You'll also get transcription directly in Messages, so you don't have to play an audio clip in a quiet room. It should be easier to record your company meetings, too.
VLSNR:Vision-Linguistics Coordination Time Sequence-aware News Recommendation
Han, Songhao, Huang, Wei, Luan, Xiaotian
News representation and user-oriented modeling are both essential for news recommendation. Most existing methods are based on textual information but ignore the visual information and users' dynamic interests. However, compared to textual only content, multimodal semantics is beneficial for enhancing the comprehension of users' temporal and long-lasting interests. In our work, we propose a vision-linguistics coordinate time sequence news recommendation. Firstly, a pretrained multimodal encoder is applied to embed images and texts into the same feature space. Then the self-attention network is used to learn the chronological sequence. Additionally, an attentional GRU network is proposed to model user preference in terms of time adequately. Finally, the click history and user representation are embedded to calculate the ranking scores for candidate news. Furthermore, we also construct a large scale multimodal news recommendation dataset V-MIND. Experimental results show that our model outperforms baselines and achieves SOTA on our independently constructed dataset.
On the Generalizability and Predictability of Recommender Systems
McElfresh, Duncan, Khandagale, Sujay, Valverde, Jonathan, Dickerson, John P., White, Colin
While other areas of machine learning have seen more and more automation, designing a high-performing recommender system still requires a high level of human effort. Furthermore, recent work has shown that modern recommender system algorithms do not always improve over well-tuned baselines. A natural follow-up question is, "how do we choose the right algorithm for a new dataset and performance metric?" In this work, we start by giving the first large-scale study of recommender system approaches by comparing 24 algorithms and 100 sets of hyperparameters across 85 datasets and 315 metrics. We find that the best algorithms and hyperparameters are highly dependent on the dataset and performance metric. However, there is also a strong correlation between the performance of each algorithm and various meta-features of the datasets. Motivated by these findings, we create RecZilla, a meta-learning approach to recommender systems that uses a model to predict the best algorithm and hyperparameters for new, unseen datasets. By using far more meta-training data than prior work, RecZilla is able to substantially reduce the level of human involvement when faced with a new recommender system application.
Hey, Siri, What's Behind the Remarkable Rise of Voice Banking?
Voice commands, typically accessed through mobile-banking applications, can now be used to complete a vast array of banking transactions, including sending payments, processing foreign-exchange transactions, logging in and out of accounts, and confirming purchases. All of these tasks are made more efficient through the use of speech. But today's voice-banking solutions are not only being designed to complete simple tasks. They can also provide answers to questions in the same vein as Siri or Alexa, and they also seek to integrate other tech such as artificial intelligence (AI) to more accurately gauge customer behaviour. This opens up a myriad of additional, and often more complex, actionable options for the customer.
NLP Interview Questions - KDnuggets
NLP is not something all data scientists necessarily work with and are required to know. Whether or not you are, depends on the company interviewing you for a data science position. Well, you'll have to know what it is so you can avoid it in your career, if nothing else. In case you're intrigued by NLP and willing to learn more, you will benefit from knowing what interview questions you could expect. No, it's not that pseudoscientific psychological approach that gained popularity recently.
DreamShard: Generalizable Embedding Table Placement for Recommender Systems
Zha, Daochen, Feng, Louis, Tan, Qiaoyu, Liu, Zirui, Lai, Kwei-Herng, Bhushanam, Bhargav, Tian, Yuandong, Kejariwal, Arun, Hu, Xia
We study embedding table placement for distributed recommender systems, which aims to partition and place the tables on multiple hardware devices (e.g., GPUs) to balance the computation and communication costs. Although prior work has explored learning-based approaches for the device placement of computational graphs, embedding table placement remains to be a challenging problem because of 1) the operation fusion of embedding tables, and 2) the generalizability requirement on unseen placement tasks with different numbers of tables and/or devices. To this end, we present DreamShard, a reinforcement learning (RL) approach for embedding table placement. DreamShard achieves the reasoning of operation fusion and generalizability with 1) a cost network to directly predict the costs of the fused operation, and 2) a policy network that is efficiently trained on an estimated Markov decision process (MDP) without real GPU execution, where the states and the rewards are estimated with the cost network. Equipped with sum and max representation reductions, the two networks can directly generalize to any unseen tasks with different numbers of tables and/or devices without fine-tuning. Extensive experiments show that DreamShard substantially outperforms the existing human expert and RNN-based strategies with up to 19% speedup over the strongest baseline on large-scale synthetic tables and our production tables. The code is available at https://github.com/daochenzha/dreamshard
Attention-based Ingredient Phrase Parser
Shi, Zhengxiang, Ni, Pin, Wang, Meihui, Kim, To Eun, Lipani, Aldo
As virtual personal assistants have now penetrated the consumer market, with products such as Siri and Alexa, the research community has produced several works on task-oriented dialogue tasks such as hotel booking, restaurant booking, and movie recommendation. Assisting users to cook is one of these tasks that are expected to be solved by intelligent assistants, where ingredients and their corresponding attributes, such as name, unit, and quantity, should be provided to users precisely and promptly. However, existing ingredient information scraped from the cooking website is in the unstructured form with huge variation in the lexical structure, for example, "1 garlic clove, crushed", and "1 (8 ounce) package cream cheese, softened", making it difficult to extract information exactly. To provide an engaged and successful conversational service to users for cooking tasks, we propose a new ingredient parsing model that can parse an ingredient phrase of recipes into the structure form with its corresponding attributes with over 0.93 F1-score. Experimental results show that our model achieves state-of-the-art performance on AllRecipes and Food.com datasets.
Google's Home Upgrades Go Further Than New Hardware
Google will be taking the wraps off its Pixel 7 smartphone and Pixel Watch smartwatch at its Made by Google event in New York City later this week, but today, Google-owned Nest is sharing a few new products and updates in the company's smart-home ecosystem--from a new Nest Wifi Pro router with Wi-Fi 6E support to a redesigned Google Home app. Last year, Nest debuted a second-generation Nest Doorbell (Battery), a battery-powered video doorbell. Now, it's time for a second-gen wired version, for those who don't want to worry about their doorbell running out of juice. It looks quite similar and has similar specs but is 30 percent smaller. There's 24/7 recording support, and it stores three hours of important events in its local memory in case your Wi-Fi goes out. The new doorbell's camera isn't as high-resolution as the original Nest Doorbell, with a 960 x 1,280-pixel resolution, but it's the HDR support that takes the camera quality a step further--it'll be able to handle bright lights and better expose your footage.
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