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- Description:
- Technology that processes text, audio and video, as well as location data, has revolutionized many industries by enabling innovative operations for customer retention. To retain transactions for a platform and viewers for advertisers, this dissertation leverages novel digital tools to analyze consumer behavior, proposes original economic frameworks to guide platform...
- Keyword:
- Ad Avoidance, Multimedia Data, Platform, Geolocation, Machine Learning, and Disintermediation
- Subject:
- Marketing, Economics, and Information technology
- Creator:
- Xie, Yingkang
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16589 and etdadmin_upload_986414
-
- Description:
- The on-going demand for miniaturized optical and on-chip photonic systems of the future has led to a few potential solutions in the literature. Recent advances in van der Waals and 2-dimensional materials signal a bright future for the next generation, compact electronic and photonic devices. With reduced dimensionality and material...
- Keyword:
- Polarization, Phonons, van der Waals, Plasmons, Wave plate, and 2D materials
- Subject:
- Optics, Materials Science, and Electromagnetics
- Creator:
- Abedini Dereshgi, Sina
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16396 and etdadmin_upload_958293
-
- Description:
- Human communication has become increasingly reliant on systems made and managed by large technology companies like Google, Apple, Twitter, and Meta (formerly Facebook). These systems offer people many benefits, but they also present new challenges for society. In recent years, researchers, lawmakers, and journalists have suggested that large technology companies...
- Keyword:
- Apple, Twitter, Google, Algorithm Auditing, Sociotechnical Systems, and Facebook
- Subject:
- Artificial intelligence, Computer science, and Communication
- Creator:
- Bandy, Jack
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16555 and etdadmin_upload_985359
-
- Description:
- The retina detects light, processes the visual signal, and sends a complex set of parallel information channels to the brain via a functionally diverse set of retinal ganglion cells types. This manuscript examines these retinal ganglion cell types, the visual features they encode, and the computational mechanisms leading to their...
- Keyword:
- electrophysiology, computational, signal processing, Bipolar cell, Retina, and ganglion cell
- Subject:
- Ophthalmology and Neurosciences
- Creator:
- Swygart, David Isaiah
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_962145 and http://dissertations.umi.com/northwestern:16411
-
- Description:
- The esophagus plays a crucial role in the functioning of the gastrointestinal tract and esophageal disorders are associated with reduced quality of life. Several studies have reported that there is a high worldwide prevalence of esophageal disorders. Esophageal disorders are related to the mechanical properties and function of the esophageal...
- Subject:
- Mechanics, Artificial intelligence, and Biomechanics
- Creator:
- Halder, Sourav
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16567 and etdadmin_upload_985717
-
- Description:
- Nanomaterials present an exciting landscape of innovation at length scales below 100 nm, wherein controllable synthesis and materials metrology have led to tunable structure-property relationships and next-generation products. The disruptive field of nanotechnology is poised to capitalize upon the exotic chemistry and physics of these nanomaterials to enable more efficient...
- Keyword:
- graphene, scalable manufacturing, nanomaterials, nanomanufacturing, 2D materials, and electronic materials
- Subject:
- Nanotechnology, Materials Science, and Engineering
- Creator:
- Downing, Julia Rocio
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16548 and etdadmin_upload_985168
-
- Description:
- In Chapter 1, I analyze optimal capital structure using a model in which firms issue securities in order to (1) finance investments in operations and (2) recapitalize the firm. In this trade-off model, firms balance the tax benefits of debt against the costs of financial distress. Key to the analysis,...
- Subject:
- Economics and Finance
- Creator:
- Hu, Jingxiong
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_986275 and http://dissertations.umi.com/northwestern:16585
-
- Description:
- As the technology enabling touch-sense rendering of virtual textures grows in efficacy and prevalence, so too grows the need for a standardized means of storing, transferring, and reconstituting textural signals. Furthermore, to achieve the ultra-low-latency requirements of the next generation of global communications networks, this digital texture representation must be...
- Keyword:
- Haptics, Tactile Signal Compression, Touch, Ultrasonic Friction Reduction, and Virtual Texture
- Subject:
- Mechanical engineering
- Creator:
- Burns, David Arthur
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16413 and etdadmin_upload_962297
-
- Description:
- In this essay I examine George Aperghis’ process-based compositional thought in the score and performance practice of Retrouvailles, with a focus on the non-hierarchical and simultaneous use of interdisciplinary elements. I demonstrate how Aperghis sets up the complex dramaturgy of superimposed, suggestive narratives in this work as a case-study of...
- Keyword:
- composed gesture, music theatre, abstract narrativity, language, voice, and percussion
- Subject:
- Music theory, Linguistics, and Music
- Creator:
- Charlafti, Niki
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_987572 and http://dissertations.umi.com/northwestern:16620
-
- Description:
- The purpose of this thesis is to study the empirical measure of the t-distributed stochastic neighbor embedding algorithm (t-SNE) when the input is given by n independent, identically distributed inputs.We show that this sequence of measures converges to an equilibrium measure, which can be described as the solution of a...
- Keyword:
- Probability and Unsupervised Machine Learning
- Subject:
- Mathematics
- Creator:
- Fletcher, Daniel
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16523 and etdadmin_upload_983853