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Synthesizing transformations on hierarchically structured data

Navid Yaghmazadeh, Christian Klinger, Isil Dillig, Swarat Chaudhuri
2016 Proceedings of the 37th ACM SIGPLAN Conference on Programming Language Design and Implementation - PLDI 2016  
This paper presents a new approach for synthesizing transformations on tree-structured data, such as Unix directories and XML documents.  ...  We consider a general abstraction for such data, called hierarchical data trees (HDTs) and present a novel example-driven synthesis algorithm for HDT transformations.  ...  End-users of such hierarchical data must often perform various kinds of tree transformations on their data.  ... 
doi:10.1145/2908080.2908088 dblp:conf/pldi/YaghmazadehKDC16 fatcat:gtgyp6ymlbderhdzzvlmwmfgpq

Synthesizing transformations on hierarchically structured data

Navid Yaghmazadeh, Christian Klinger, Isil Dillig, Swarat Chaudhuri
2016 SIGPLAN notices  
This paper presents a new approach for synthesizing transformations on tree-structured data, such as Unix directories and XML documents.  ...  We consider a general abstraction for such data, called hierarchical data trees (HDTs) and present a novel example-driven synthesis algorithm for HDT transformations.  ...  End-users of such hierarchical data must often perform various kinds of tree transformations on their data.  ... 
doi:10.1145/2980983.2908088 fatcat:zw4xlz2hrzcefjolwwtb4vnike

Epitaxially Integrated Hierarchical ZnO/Au/SrTiO3 and ZnO/Ag/Al2O3 Heterostructures: Three-Dimensional Plasmo-Photonic Nanoarchitecturing

Youngdong Yoo, Minjung Kim, Bongsoo Kim
2021 Nanomaterials  
We synthesized 3D hierarchical Au–ZnO nanostructures via a vapor–solid mechanism leading to the epitaxial growth of ZnO nanowires on vertically oriented single-crystalline Au nanowires on a strontium titanate  ...  After the transformation, ZnO thin films with six twinned domains were formed on the side planes of the elongated cuboctahedral Au nanowire trunks, and six ZnO nanowire branches were grown on the ZnO thin  ...  (e) TEM EDS elemental mapping images of 3D hierarchical Au-ZnO nanostructures. Figure 3 . 3 Figure 3. Cross-sectional TEM data of 3D hierarchical Au-ZnO nanostructures.  ... 
doi:10.3390/nano11123262 pmid:34947608 pmcid:PMC8706281 fatcat:u7d47d5lbrasbdjuwd3bkddyoq

Hierarchical Structure and Catalytic Activity of Flower-Like CeO₂ Spheres Prepared Via a Hydrothermal Method

Genli Shen, Mi Liu, Zhen Wang, Qi Wang
2018 Nanomaterials  
Hierarchical CeO₂ particles were synthesized by a hydrothermal method based on the reaction between CeCl₃·7H₂O and PVP at 270 °C.  ...  The 3D hierarchical structured CeO₂ exhibited a higher catalytic activity toward CO oxidation compared with commercial CeO₂.  ...  In this paper, we report a facile one-pot hydrothermal route to synthesize 3D hierarchical structured CeO 2 . The present hydrothermal route is low cost and can be easily scaled-up.  ... 
doi:10.3390/nano8100773 pmid:30274299 pmcid:PMC6215204 fatcat:o6y2hixstzegzis53omre3xwha

Application of WO3 Hierarchical Structures for the Detection of Dissolved Gases in Transformer Oil: A Mini Review

Zhijie Wei, Lingna Xu, Shudi Peng, Qu Zhou
2020 Frontiers in Chemistry  
In all, the detailed analysis has contributed some beneficial guidance to the exploration on the surface morphology and special hierarchical structure of WO3 for highly sensitive detection of fault characteristic  ...  Oil-immersed power transformers are considered to be one of the most crucial and expensive devices used in power systems.  ...  The surface morphology and special hierarchical microstructures have a crucial effect on the performance of gas sensors.  ... 
doi:10.3389/fchem.2020.00188 pmid:32318538 pmcid:PMC7155902 fatcat:4yponvcqufdz7cz6thu64lq7ku

Hierarchical Context-Aware Transformers for Non-Autoregressive Text to Speech [article]

Jae-Sung Bae, Tae-Jun Bak, Young-Sun Joo, Hoon-Young Cho
2021 arXiv   pre-print
Therefore, to improve the modeling performance of the TNA-TTS model we propose a hierarchical Transformer structure-based text encoder and audio decoder that are designed to accommodate the characteristics  ...  For the text encoder, we constrain each self-attention layer so the encoder focuses on a text sequence from the local to the global scope.  ...  Ablation Study on Hierarchical Structure Here, we demonstrate the importance of considering the encoder and decoder characteristics in the proposed hierarchical Transformer structure via ablation study  ... 
arXiv:2106.15144v1 fatcat:6uyq4nwbwjgchelupgoun7d3bq

WSN-SES/MB: System Entity Structure and Model Base Framework for Large-Scale Wireless Sensor Networks

Su Man Nam, Hyung-Jong Kim
2021 Sensors  
Our proposed framework synthesizes the structure and models for sensor networks through our modeling construction process.  ...  In this paper, we propose a novel framework, called a system entity structure and model base for large-scale wireless sensor networks (WSN-SES/MB), which is based on discrete event system specification  ...  models based on a transformation process.  ... 
doi:10.3390/s21020430 pmid:33435476 fatcat:g6u2dnuzyrgyxhgebjxccewr7e

Automated migration of hierarchical data to relational tables using programming-by-example

Navid Yaghmazadeh, Xinyu Wang, Isil Dillig
2018 Proceedings of the VLDB Endowment  
While many applications export data in hierarchical formats like XML and JSON, it is often necessary to convert such hierarchical documents to a relational representation.  ...  In the first experiment, we used Mitra to automate 98 data transformation tasks collected from StackOverflow.  ...  Such tree-structured data models are a natural fit in cases where the underlying data is hierarchical in nature.  ... 
doi:10.1145/3187009.3177735 fatcat:fi3h5dbaqja75ejmnux2tjlmay

Automated Migration of Hierarchical Data to Relational Tables using Programming-by-Example [article]

Navid Yaghmazadeh, Xinyu Wang, Isil Dillig
2017 arXiv   pre-print
While many applications export data in hierarchical formats like XML and JSON, it is often necessary to convert such hierarchical documents to a relational representation.  ...  In the first experiment, we used Mitra to automate 98 data transformation tasks collected from StackOverflow.  ...  Such tree-structured data models are a natural fit in cases where the underlying data is hierarchical in nature.  ... 
arXiv:1711.04001v1 fatcat:gkkq54f43vaipn5zlqicnlr4s4

Effects of acid on the microstructures and properties of three-dimensional TiO2 hierarchical structures by solvothermal method

Jing Zhou, Bin Song, Gaoling Zhao, Gaorong Han
2012 Nanoscale Research Letters  
The effects of acid medium on the microstructures and properties of 3D TiO 2 hierarchical structure have been studied.  ...  Three-dimensional (3D) TiO 2 hierarchical structures with various microstructures have been successfully synthesized via a surfactant-free and single-step solvothermal route, in which hydrochloric acid  ...  However, the effects of acid medium on the microstructures and properties of 3D TiO 2 hierarchical structures have not been reported.  ... 
doi:10.1186/1556-276x-7-217 pmid:22500985 pmcid:PMC3462146 fatcat:3jbll5mkv5g2xhx2pxuw6j2urq

The method of inductive synthesis of hierarchical knowledge graphs of telecommunication networks based on statistical data

K.V. Krinkin, A.I. Vodyaho, I.A. Kulikov, N.A. Zhukova
2021 Procedia Computer Science  
Based on extracted elements and relations hierarchical knowledge graphs are build.  ...  Based on extracted elements and relations hierarchical knowledge graphs are build.  ...  The output data is a hierarchical graph model that is synthesized based on heterogeneous data taking into account user requirements.  ... 
doi:10.1016/j.procs.2021.04.178 fatcat:xkhuee2hw5bufgfveaas4emr6a

Resource sharing in hierarchical synthesis

Bringmann, Rosenstiel
1997 Proceedings of IEEE International Conference on Computer Aided Design (ICCAD) ICCAD-97  
their visible structures.  ...  This paper presents a new approach to hierarchical high-level synthesis with respect to internal register-transfer structures of complex components.  ...  Among others, the essential features of such components are the visible, hierarchical composed component structure, the usage of a separate controller, and the data-dependent timing.  ... 
doi:10.1109/iccad.1997.643537 dblp:conf/iccad/BringmannR97 fatcat:wsodr5bgxnc5dhatqu3nux5aii

Programming by examples

Sumit Gulwani
2017 Proceedings of the 19th International Symposium on Principles and Practice of Declarative Programming - PPDP '17  
These technologies, which have been released inside various Microsoft products, are useful for data scientists who spend 80% of their time wrangling with data.  ...  Programming by Examples (PBE) can revolutionize this landscape by enabling users to synthesize intended programs from example based specifications.  ...  The FlashExtract technology allows extracting structured (tabular or hierarchical) data out of semi-structured documents from examples [12] .  ... 
doi:10.1145/3131851.3131853 dblp:conf/ppdp/Gulwani17 fatcat:56o4ajgwx5f7dbhislg3f77dci

A facile synthesis of hierarchical Sn3O4 nanostructures in an acidic aqueous solution and their strong visible-light-driven photocatalytic activity

Hui Song, Su-Young Son, Seul Ki Kim, Gun Young Jung
2015 Nano Reseach  
Hierarchical Sn3O4 nanospheres were synthesized via hydrothermal reaction under strongly acidic ambient conditions.  ...  A small amount (0.05 g) of the hierarchical Sn3O4 nanostructures completely decomposed a 30 % methyl orange (MO) solution in 100 ml deionized water in 15 min under one-Sun condition (UV + Vis. light).  ...  The effect of pH on the formation of hierarchical Sn3O4 nanostructure The hierarchical Sn3O4 nanostructures were synthesized by hydrothermal reaction at 95 o C.  ... 
doi:10.1007/s12274-015-0855-2 fatcat:cbg77ydmgvaqblhnzufc2swgbu

Integrating Range and Texture Information for 3D Face Recognition

Xiaoguang Lu, A.K. Jain
2005 2005 Seventh IEEE Workshops on Applications of Computer Vision (WACV/MOTION'05) - Volume 1  
A hierarchical matching structure is designed to further improve the system performance in both accuracy and efficiency.  ...  The 3D model in the gallery is used to synthesize new appearance samples with pose and illumination variations that are used for discriminant subspace analysis.  ...  Rank-one matching accuracy (α = 1) with and without hierarchical structure.  ... 
doi:10.1109/acvmot.2005.64 dblp:conf/wacv/LuJ05a fatcat:xill3sf4q5fdze6klru4r4xpoq
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