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Topic models have a rich history with various applications and have recently been reinvigorated by neural topic modeling. However, these numerous topic models adopt totally distinct datasets, implementations, and evaluations. This impedes…

Computation and Language · Computer Science 2024-06-17 Xiaobao Wu , Fengjun Pan , Anh Tuan Luu

Memento aggregators enable users to query multiple web archives for captures of a URI in time through a single HTTP endpoint. While this one-to-many access point is useful for researchers and end-users, aggregators are in a position to…

Digital Libraries · Computer Science 2023-01-10 Mat Kelly

For traditional library collections, archivists can select a representative sample from a collection and display it in a featured physical or digital library space. Web archive collections may consist of thousands of archived pages, or…

Digital Libraries · Computer Science 2021-03-23 Shawn M. Jones , Martin Klein , Michele C. Weigle , Michael L. Nelson

To perform a longitudinal investigation of web archives and detecting variations and changes replaying individual archived pages, or mementos, we created a sample of 16,627 mementos from 17 public web archives. Over the course of our…

Digital Libraries · Computer Science 2021-08-16 Mohamed Aturban , Michael L. Nelson , Michele C. Weigle

With the fast growth of the Internet, more and more information is available on the Web. The Semantic Web has many features which cannot be handled by using the traditional search engines. It extracts metadata for each discovered Web…

Artificial Intelligence · Computer Science 2011-11-30 Ahmed Tolba , Nabila Eladawi , Mohammed Elmogy

Memorization presents a challenge for several constrained Natural Language Generation (NLG) tasks such as Neural Machine Translation (NMT), wherein the proclivity of neural models to memorize noisy and atypical samples reacts adversely with…

Computation and Language · Computer Science 2022-10-25 Vikas Raunak , Arul Menezes

The time at which a message is communicated is a vital piece of metadata in many real-world natural language processing tasks such as Topic Detection and Tracking (TDT). TDT systems aim to cluster a corpus of news articles by event, and in…

Computation and Language · Computer Science 2024-03-27 Hang Jiang , Doug Beeferman , Weiquan Mao , Deb Roy

From popular uprisings to pandemics, the Web is an essential source consulted by scientists and historians for reconstructing and studying past events. Unfortunately, the Web is plagued by reference rot which causes important Web resources…

Digital Libraries · Computer Science 2021-07-07 Alexander C. Nwala , Michele C. Weigle , Michael L. Nelson

The essential task of Topic Detection and Tracking (TDT) is to organize a collection of news media into clusters of stories that pertain to the same real-world event. To apply TDT models to practical applications such as search engines and…

Information Retrieval · Computer Science 2021-10-15 Doug Beeferman , Hang Jiang

A dataset is a shred of crucial evidence to describe a task. However, each data point in the dataset does not have the same potential, as some of the data points can be more representative or informative than others. This unequal importance…

Machine Learning · Computer Science 2022-03-21 Jaehong Yoon , Divyam Madaan , Eunho Yang , Sung Ju Hwang

Recent advances of preservation technologies have led to an increasing number of Web archive systems and collections. These collections are valuable to explore the past of the Web, but their value can only be uncovered with effective access…

Information Retrieval · Computer Science 2017-01-17 Khoi Duy Vo , Tuan Tran , Tu Ngoc Nguyen , Xiaofei Zhu , Wolfgang Nejdl

Personal and private Web archives are proliferating due to the increase in the tools to create them and the realization that Internet Archive and other public Web archives are unable to capture personalized (e.g., Facebook) and private…

Digital Libraries · Computer Science 2018-06-05 Mat Kelly , Michael L. Nelson , Michele C. Weigle

Highly specific datasets of scientific literature are important for both research and education. However, it is difficult to build such datasets at scale. A common approach is to build these datasets reductively by applying topic modeling…

Information Retrieval · Computer Science 2023-09-20 Nicholas Solovyev , Ryan Barron , Manish Bhattarai , Maksim E. Eren , Kim O. Rasmussen , Boian S. Alexandrov

We document the creation of a data set of 16,627 archived web pages, or mementos, of 3,698 unique live web URIs (Uniform Resource Identifiers) from 17 public web archives. We used four different methods to collect the dataset. First, we…

Digital Libraries · Computer Science 2019-05-13 Mohamed Aturban , Michael L. Nelson , Michele C. Weigle , Martin Klein , Herbert Van de Sompel

We present Sampled Weighted Min-Hashing (SWMH), a randomized approach to automatically mine topics from large-scale corpora. SWMH generates multiple random partitions of the corpus vocabulary based on term co-occurrence and agglomerates…

Machine Learning · Computer Science 2015-09-09 Gibran Fuentes-Pineda , Ivan Vladimir Meza-Ruiz

A major computational burden, while performing document clustering, is the calculation of similarity measure between a pair of documents. Similarity measure is a function that assign a real number between 0 and 1 to a pair of documents,…

Information Retrieval · Computer Science 2012-08-20 Muhammad Rafi , Sundus Hassan , Mohammad Shahid Shaikh

On-shelf utility mining (OSUM) is an emerging research direction in data mining. It aims to discover itemsets that have high relative utility in their selling time period. Compared with traditional utility mining, OSUM can find more…

Databases · Computer Science 2022-08-31 Jiahui Chen , Xu Guo , Wensheng Gan , Shichen Wan , Philip S. Yu

Fake news detection is a challenging task aiming to reduce human time and effort to check the truthfulness of news. Automated approaches to combat fake news, however, are limited by the lack of labeled benchmark datasets, especially in…

Computation and Language · Computer Science 2021-03-02 Inna Vogel , Jeong-Eun Choi , Meghana Meghana

The topic modeling discovers the latent topic probability of the given text documents. To generate the more meaningful topic that better represents the given document, we proposed a new feature extraction technique which can be used in the…

Machine Learning · Computer Science 2018-04-13 Ziyi Zhao , Krittaphat Pugdeethosapol , Sheng Lin , Zhe Li , Caiwen Ding , Yanzhi Wang , Qinru Qiu

We present an approach to generating topics using a model trained only for document title generation, with zero examples of topics given during training. We leverage features that capture the relevance of a candidate span in a document for…

Computation and Language · Computer Science 2020-04-30 Oleg Vasilyev , Kathryn Evans , Anna Venancio-Marques , John Bohannon