43 research outputs found
Predicting Different Types of Conversions with Multi-Task Learning in Online Advertising
Conversion prediction plays an important role in online advertising since
Cost-Per-Action (CPA) has become one of the primary campaign performance
objectives in the industry. Unlike click prediction, conversions have different
types in nature, and each type may be associated with different decisive
factors. In this paper, we formulate conversion prediction as a multi-task
learning problem, so that the prediction models for different types of
conversions can be learned together. These models share feature
representations, but have their specific parameters, providing the benefit of
information-sharing across all tasks. We then propose Multi-Task Field-weighted
Factorization Machine (MT-FwFM) to solve these tasks jointly. Our experiment
results show that, compared with two state-of-the-art models, MT-FwFM improve
the AUC by 0.74% and 0.84% on two conversion types, and the weighted AUC across
all conversion types is also improved by 0.50%.Comment: SIGKD
Practical m
In collaborative data publishing (CDP), an m-adversary attack refers to a scenario where up to m malicious data providers collude to infer data records contributed by other providers. Existing solutions either rely on a trusted third party (TTP) or introduce expensive computation and communication overheads. In this paper, we present a practical distributed k-anonymization scheme, m-k-anonymization, designed to defend against m-adversary attacks without relying on any TTPs. We then prove its security in the semihonest adversary model and demonstrate how an extension of the scheme can also be proven secure in a stronger adversary model. We also evaluate its efficiency using a commonly used dataset
DA-TransUNet: Integrating Spatial and Channel Dual Attention with Transformer U-Net for Medical Image Segmentation
Accurate medical image segmentation is critical for disease quantification
and treatment evaluation. While traditional Unet architectures and their
transformer-integrated variants excel in automated segmentation tasks. However,
they lack the ability to harness the intrinsic position and channel features of
image. Existing models also struggle with parameter efficiency and
computational complexity, often due to the extensive use of Transformers. To
address these issues, this study proposes a novel deep medical image
segmentation framework, called DA-TransUNet, aiming to integrate the
Transformer and dual attention block(DA-Block) into the traditional U-shaped
architecture. Unlike earlier transformer-based U-net models, DA-TransUNet
utilizes Transformers and DA-Block to integrate not only global and local
features, but also image-specific positional and channel features, improving
the performance of medical image segmentation. By incorporating a DA-Block at
the embedding layer and within each skip connection layer, we substantially
enhance feature extraction capabilities and improve the efficiency of the
encoder-decoder structure. DA-TransUNet demonstrates superior performance in
medical image segmentation tasks, consistently outperforming state-of-the-art
techniques across multiple datasets. In summary, DA-TransUNet offers a
significant advancement in medical image segmentation, providing an effective
and powerful alternative to existing techniques. Our architecture stands out
for its ability to improve segmentation accuracy, thereby advancing the field
of automated medical image diagnostics. The codes and parameters of our model
will be publicly available at https://github.com/SUN-1024/DA-TransUnet
Konsep Proses Pemesinan Berkelanjutan
Metal industrial machining usually strongth pressure from all sectors, ether raw material industries or user metal industries. Manufacturint process which offered to all sectors industries or companies that sustainable manufakturing consist of three main factor are efective cost, enviroment and social performance
LyricWhiz: Robust Multilingual Zero-shot Lyrics Transcription by Whispering to ChatGPT
We introduce LyricWhiz, a robust, multilingual, and zero-shot automatic
lyrics transcription method achieving state-of-the-art performance on various
lyrics transcription datasets, even in challenging genres such as rock and
metal. Our novel, training-free approach utilizes Whisper, a weakly supervised
robust speech recognition model, and GPT-4, today's most performant chat-based
large language model. In the proposed method, Whisper functions as the "ear" by
transcribing the audio, while GPT-4 serves as the "brain," acting as an
annotator with a strong performance for contextualized output selection and
correction. Our experiments show that LyricWhiz significantly reduces Word
Error Rate compared to existing methods in English and can effectively
transcribe lyrics across multiple languages. Furthermore, we use LyricWhiz to
create the first publicly available, large-scale, multilingual lyrics
transcription dataset with a CC-BY-NC-SA copyright license, based on
MTG-Jamendo, and offer a human-annotated subset for noise level estimation and
evaluation. We anticipate that our proposed method and dataset will advance the
development of multilingual lyrics transcription, a challenging and emerging
task.Comment: 9 pages, 2 figures, 5 tables, accepted by ISMIR 202
Comparison of Intergrowth-21st and Fenton growth standards to evaluate and predict the postnatal growth in eastern Chinese preterm infants
ObjectivesThe aim of this article was to compare the differences between Intergrowth-21st (IG-21) and Fenton growth standards in the classification of intrauterine and extrauterine growth restriction (EUGR) in eastern Chinese preterm infants, and detect which one can better relate to neonatal diseases and predict the physical growth outcomes at 3–5 years old.MethodsPremature infants admitted to a tertiary pediatric hospital in Shanghai, China, from 2016 to 2018 were enrolled. Prenatal information, neonatal diseases during hospitalization, and anthropometric data (weight, height, and head circumference) at birth and at discharge were collected and analyzed. Physical growth outcomes (short stature, thinness, and overweight) were examined by telephone investigations in 2021 at age 3–5 years.ResultsThe medium gestational age and birth weight of the included 1,065 preterm newborns were 33.6 weeks and 1,900 g, respectively. The IG-21 curves diagnosed more newborns with small for gestational age (SGA) (19% vs. 14.7%) and fewer newborns with longitudinal EUGR on height (25.5% vs. 27.9%) and head circumference (17.9% vs. 24.7%) compared to Fenton curves. Concordances between Fenton and IG-21 standards were substantial or almost perfect in the classification of SGA and longitudinal EUGR, but minor in cross-sectional EUGR. EUGR identified by Fenton curves was better related to neonatal diseases than IG-21 curves. There were no statistical significances in the prediction of short stature, thinness, and overweight at 3–5 years old between the two charts.ConclusionsIG-21 growth standards are not superior to Fenton in assessing preterm growth and development in the eastern Chinese population
Functional interplay between SA1 and TRF1 in telomeric DNA binding and DNA-DNA pairing
Proper chromosome alignment and segregation during mitosis depend on cohesion between sister chromatids. Cohesion is thought to occur through the entrapment of DNA within the tripartite ring (Smc1, Smc3 and Rad21) with enforcement from a fourth subunit (SA1/SA2). Surprisingly, cohesin rings do not play a major role in sister telomere cohesion. Instead, this role is replaced by SA1 and telomere binding proteins (TRF1 and TIN2). Neither the DNA binding property of SA1 nor this unique telomere cohesion mechanism is understood. Here, using single-molecule fluorescence imaging, we discover that SA1 displays two-state binding on DNA: searching by one-dimensional (1D) free diffusion versus recognition through subdiffusive sliding at telomeric regions. The AT-hook motif in SA1 plays dual roles in modulating non-specific DNA binding and subdiffusive dynamics over telomeric regions. TRF1 tethers SA1 within telomeric regions that SA1 transiently interacts with. SA1 and TRF1 together form longer DNA-DNA pairing tracts than with TRF1 alone, as revealed by atomic force microscopy imaging. These results suggest that at telomeres cohesion relies on the molecular interplay between TRF1 and SA1 to promote DNA-DNA pairing, while along chromosomal arms the core cohesin assembly might also depend on SA1 1D diffusion on DNA and sequence-specific DNA binding
Design, construction, and functional characterization of a tRNA neochromosome in yeast
Here, we report the design, construction, and characterization of a tRNA neochromosome, a designer chromosome that functions as an additional, de novo counterpart to the native complement of Saccharomyces cerevisiae. Intending to address one of the central design principles of the Sc2.0 project, the ∼190-kb tRNA neochromosome houses all 275 relocated nuclear tRNA genes. To maximize stability, the design incorporates orthogonal genetic elements from non-S. cerevisiae yeast species. Furthermore, the presence of 283 rox recombination sites enables an orthogonal tRNA SCRaMbLE system. Following construction in yeast, we obtained evidence of a potent selective force, manifesting as a spontaneous doubling in cell ploidy. Furthermore, tRNA sequencing, transcriptomics, proteomics, nucleosome mapping, replication profiling, FISH, and Hi-C were undertaken to investigate questions of tRNA neochromosome behavior and function. Its construction demonstrates the remarkable tractability of the yeast model and opens up opportunities to directly test hypotheses surrounding these essential non-coding RNAs
Design, construction, and functional characterization of a tRNA neochromosome in yeast
Here, we report the design, construction, and characterization of a tRNA neochromosome, a designer chromosome that functions as an additional, de novo counterpart to the native complement of Saccharomyces cerevisiae. Intending to address one of the central design principles of the Sc2.0 project, the ∼190-kb tRNA neochromosome houses all 275 relocated nuclear tRNA genes. To maximize stability, the design incorporates orthogonal genetic elements from non-S. cerevisiae yeast species. Furthermore, the presence of 283 rox recombination sites enables an orthogonal tRNA SCRaMbLE system. Following construction in yeast, we obtained evidence of a potent selective force, manifesting as a spontaneous doubling in cell ploidy. Furthermore, tRNA sequencing, transcriptomics, proteomics, nucleosome mapping, replication profiling, FISH, and Hi-C were undertaken to investigate questions of tRNA neochromosome behavior and function. Its construction demonstrates the remarkable tractability of the yeast model and opens up opportunities to directly test hypotheses surrounding these essential non-coding RNAs