Results 61 to 70 of about 1,881,625 (304)

Extracting a Topic Specific Dataset from a Twitter Archive [PDF]

open access: yes, 2015
Datasets extracted from the microblogging service Twitter are often generated using specific query terms or hashtags. We describe how a dataset produced using the query term ‘syria’ can be increased in size to include tweets on the topic of Syria that do not contain that query term.
Beatrice Alex   +4 more
openaire   +2 more sources

Circulating tumor cells in metastatic breast cancer patients treated with immune checkpoint inhibitors – a biomarker analysis of the ALICE and ICON trials

open access: yesMolecular Oncology, EarlyView.
In this explorative biomarker analysis, we assessed serial sampling of circulating tumor cells (CTCs) with CellSearch in two randomized trials testing immune checkpoint inhibitors (ICIs) in metastatic breast cancer. Our data demonstrate a prognostic potential of CTCs, most apparent 4 weeks into ICI therapy.
Nikolai Kragøe Andresen   +13 more
wiley   +1 more source

Use of Neural Topic Models in conjunction with Word Embeddings to extract meaningful topics from short texts

open access: yesEAI Endorsed Transactions on Internet of Things, 2022
Unsupervised machine learning is utilized as a part of the process of topic modeling to discover dormant topics hidden within a large number of documents.
Nassera HABBAT   +3 more
doaj   +1 more source

A Topic Modeling Approach to Ranking [PDF]

open access: yes, 2015
We propose a topic modeling approach to the prediction of preferences in pairwise comparisons. We develop a new generative model for pairwise comparisons that accounts for multiple shared latent rankings that are prevalent in a population of users.
Ding, Weicong   +2 more
core  

Finding Topic Experts in the Twitter Dataset Using LDA Algorithm

open access: yesInternational Journal of Applied Evolutionary Computation, 2018
In microblogging services like Twitter, the expert judgment problem has gained increasing attention in social media. Twitter is a new type of social media that provides a publicly available way for users to publish 140-character short messages (tweets). However, previous methods cannot be directly applied to twitter experts finding problems.
Ashwini Anandrao Shirolkar   +1 more
openaire   +1 more source

Cell‐free and extracellular vesicle microRNAs with clinical utility for solid tumors

open access: yesMolecular Oncology, EarlyView.
Cell‐free microRNAs (cfmiRs) are small‐RNA circulating molecules detectable in almost all body biofluids. Innovative technologies have improved the application of cfmiRs to oncology, with a focus on clinical needs for different solid tumors, but with emphasis on diagnosis, prognosis, cancer recurrence, as well as treatment monitoring.
Yoshinori Hayashi   +6 more
wiley   +1 more source

User–Topic Modeling for Online Community Analysis

open access: yesApplied Sciences, 2020
Analyzing user behavior in online spaces is an important task. This paper is dedicated to analyzing the online community in terms of topics. We present a user–topic model based on the latent Dirichlet allocation (LDA), as an application of topic modeling
Sung-Hwan Kim, Hwan-Gue Cho
doaj   +1 more source

Political attention to environmental issues: Analyzing policy punctuations in the Netherlands [PDF]

open access: yes, 2009
One of the most dramatized features in Al Gore's movie The Inconvenient Truth is the effects of a rising sea-level in the Netherlands. The film is an example of how the mobilization of bias in the Netherlands resulted in sudden high levels of attention ...
Breeman, G.E., Timmermans, A.
core   +1 more source

KRAS and GNAS mutations in cell‐free DNA and in circulating epithelial cells in patients with intraductal papillary mucinous neoplasms—an observational pilot study

open access: yesMolecular Oncology, EarlyView.
This study demonstrates that KRAS and GNAS mutations are more prevalent in patients with resected intraductal papillary mucinous neoplasms (IPMN) compared to those under clinical surveillance. GNAS mutations significantly differ between the two patient cohorts, indicating that their absence may serve as a potential biomarker to support conservative ...
Christine Nitschke   +12 more
wiley   +1 more source

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