L3S Research Center

∙ Hannover , Germany ∙ 0 followers

We focus on #basic and #applied #research in the field of #Web #Science & we develop new & #innovative methods & technologies. Tweets by @AlexandraGaratz

Deep Reinforcement Learning with Graph-based State Representations

Deep RL approaches build much of their success on the ability of the dee...
04/29/2020 ∙ by Vikram Waradpande, et al. ∙ 66 ∙ share

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A Review of Anonymization for Healthcare Data

Mining health data can lead to faster medical decisions, improvement in ...
04/13/2021 ∙ by Iyiola E. Olatunji, et al. ∙ 24 ∙ share

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Zorro: Valid, Sparse, and Stable Explanations in Graph Neural Networks

With the ever-increasing popularity and applications of graph neural net...
05/18/2021 ∙ by Thorben Funke, et al. ∙ 14 ∙ share

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Using Machine Learning to Automate Mammogram Images Analysis

Breast cancer is the second leading cause of cancer-related death after ...
12/06/2020 ∙ by Xuejiao Tang, et al. ∙ 13 ∙ share

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AdaFair: Cumulative Fairness Adaptive Boosting

The widespread use of ML-based decision making in domains with high soci...
09/17/2019 ∙ by Vasileios Iosifidis, et al. ∙ 9 ∙ share

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Learnt Sparsification for Interpretable Graph Neural Networks

Graph neural networks (GNNs) have achieved great success on various task...
06/23/2021 ∙ by Mandeep Rathee, et al. ∙ 8 ∙ share

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FAE: A Fairness-Aware Ensemble Framework

Automated decision making based on big data and machine learning (ML) al...
02/03/2020 ∙ by Vasileios Iosifidis, et al. ∙ 5 ∙ share

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Hedera: Scalable Indexing and Exploring Entities in Wikipedia Revision History

Much of work in semantic web relying on Wikipedia as the main source of ...
01/14/2017 ∙ by Tuan Tran, et al. ∙ 0 ∙ share

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Collaborative Filtering Ensemble for Personalized Name Recommendation

Out of thousands of names to choose from, picking the right one for your...
07/16/2014 ∙ by Bernat Coma-Puig, et al. ∙ 0 ∙ share

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Fine Grained Citation Span for References in Wikipedia

Verifiability is one of the core editing principles in Wikipedia, editor...
07/23/2017 ∙ by Besnik Fetahu, et al. ∙ 0 ∙ share

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Automated News Suggestions for Populating Wikipedia Entity Pages

Wikipedia entity pages are a valuable source of information for direct c...
03/30/2017 ∙ by Besnik Fetahu, et al. ∙ 0 ∙ share

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Finding News Citations for Wikipedia

An important editing policy in Wikipedia is to provide citations for add...
03/30/2017 ∙ by Besnik Fetahu, et al. ∙ 0 ∙ share

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Named Entity Evolution Recognition on the Blogosphere

Advancements in technology and culture lead to changes in our language. ...
02/03/2017 ∙ by Helge Holzmann, et al. ∙ 0 ∙ share

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Extraction of Evolution Descriptions from the Web

The evolution of named entities affects exploration and retrieval tasks ...
02/03/2017 ∙ by Helge Holzmann, et al. ∙ 0 ∙ share

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Named Entity Evolution Analysis on Wikipedia

Accessing Web archives raises a number of issues caused by their tempora...
02/03/2017 ∙ by Helge Holzmann, et al. ∙ 0 ∙ share

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Analysing Temporal Evolution of Interlingual Wikipedia Article Pairs

Wikipedia articles representing an entity or a topic in different langua...
02/02/2017 ∙ by Simon Gottschalk, et al. ∙ 0 ∙ share

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Balancing Novelty and Salience: Adaptive Learning to Rank Entities for Timeline Summarization of High-impact Events

Long-running, high-impact events such as the Boston Marathon bombing oft...
01/14/2017 ∙ by Tuan Tran, et al. ∙ 0 ∙ share

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A Robust Transformation-Based Learning Approach Using Ripple Down Rules for Part-of-Speech Tagging

In this paper, we propose a new approach to construct a system of transf...
12/12/2014 ∙ by Dat Quoc Nguyen, et al. ∙ 0 ∙ share

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Linking Mathematical Software in Web Archives

The Web is our primary source of all kinds of information today. This in...
02/03/2017 ∙ by Helge Holzmann, et al. ∙ 0 ∙ share

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Archiving Software Surrogates on the Web for Future Reference

Software has long been established as an essential aspect of the scienti...
02/03/2017 ∙ by Helge Holzmann, et al. ∙ 0 ∙ share

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The Dawn of Today's Popular Domains: A Study of the Archived German Web over 18 Years

The Web has been around and maturing for 25 years. The popular websites ...
02/03/2017 ∙ by Helge Holzmann, et al. ∙ 0 ∙ share

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ArchiveSpark: Efficient Web Archive Access, Extraction and Derivation

Web archives are a valuable resource for researchers of various discipli...
02/03/2017 ∙ by Helge Holzmann, et al. ∙ 0 ∙ share

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ArchiveWeb: collaboratively extending and exploring web archive collections - How would you like to work with your collections?

Curated web archive collections contain focused digital content which is...
02/01/2017 ∙ by Zeon Trevor Fernando, et al. ∙ 0 ∙ share

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ArchiveWeb: Collaboratively Extending and Exploring Web Archive Collections

Curated web archive collections contain focused digital contents which a...
02/01/2017 ∙ by Zeon Trevor Fernando, et al. ∙ 0 ∙ share

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iCrawl: Improving the Freshness of Web Collections by Integrating Social Web and Focused Web Crawling

Researchers in the Digital Humanities and journalists need to monitor, c...
12/19/2016 ∙ by Gerhard Gossen, et al. ∙ 0 ∙ share

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The iCrawl Wizard -- Supporting Interactive Focused Crawl Specification

Collections of Web documents about specific topics are needed for many a...
12/19/2016 ∙ by Gerhard Gossen, et al. ∙ 0 ∙ share

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Analyzing Web Archives Through Topic and Event Focused Sub-collections

Web archives capture the history of the Web and are therefore an importa...
12/16/2016 ∙ by Gerhard Gossen, et al. ∙ 0 ∙ share

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Ongoing Events in Wikipedia: A Cross-lingual Case Study

In order to effectively analyze information regarding ongoing events tha...
01/22/2018 ∙ by Simon Gottschalk, et al. ∙ 0 ∙ share

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Discovering Hidden Topical Hubs and Authorities in Online Social Networks

Finding influential users in online social networks is an important prob...
02/20/2018 ∙ by Roy Ka-Wei Lee, et al. ∙ 0 ∙ share

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Multiple Models for Recommending Temporal Aspects of Entities

Entity aspect recommendation is an emerging task in semantic search that...
03/21/2018 ∙ by Tu Ngoc Nguyen, et al. ∙ 0 ∙ share

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EventKG: A Multilingual Event-Centric Temporal Knowledge Graph

One of the key requirements to facilitate semantic analytics of informat...
04/12/2018 ∙ by Simon Gottschalk, et al. ∙ 0 ∙ share

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Predicting User Knowledge Gain in Informational Search Sessions

Web search is frequently used by people to acquire new knowledge and to ...
05/02/2018 ∙ by Ran Yu, et al. ∙ 0 ∙ share

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EventKG+TL: Creating Cross-Lingual Timelines from an Event-Centric Knowledge Graph

The provision of multilingual event-centric temporal knowledge graphs su...
05/03/2018 ∙ by Simon Gottschalk, et al. ∙ 0 ∙ share

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An Analytics Tool for Exploring Scientific Software and Related Publications

Scientific software is one of the key elements for reproducible research...
06/20/2018 ∙ by Anett Hoppe, et al. ∙ 0 ∙ share

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Detecting, Understanding and Supporting Everyday Learning in Web Search

Web search is among the most ubiquitous online activities, commonly used...
06/28/2018 ∙ by Ran Yu, et al. ∙ 0 ∙ share

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Posthoc Interpretability of Learning to Rank Models using Secondary Training Data

Predictive models are omnipresent in automated and assisted decision mak...
06/29/2018 ∙ by Jaspreet Singh, et al. ∙ 0 ∙ share

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User Fairness in Recommender Systems

Recent works in recommendation systems have focused on diversity in reco...
07/17/2018 ∙ by Jurek Leonhardt, et al. ∙ 0 ∙ share

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LogCanvas: Visualizing Search History Using Knowledge Graphs

In this demo paper, we introduce LogCanvas, a platform for user search h...
08/15/2018 ∙ by Luyan Xu, et al. ∙ 0 ∙ share

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A Trio Neural Model for Dynamic Entity Relatedness Ranking

Measuring entity relatedness is a fundamental task for many natural lang...
08/24/2018 ∙ by Tu Nguyen, et al. ∙ 0 ∙ share

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EXS: Explainable Search Using Local Model Agnostic Interpretability

Retrieval models in information retrieval are used to rank documents for...
09/11/2018 ∙ by Jaspreet Singh, et al. ∙ 0 ∙ share

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Interpreting search result rankings through intent modeling

Given the recent interest in arguably accurate yet non-interpretable neu...
09/13/2018 ∙ by Jaspreet Singh, et al. ∙ 0 ∙ share

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Distances for WiFi Based Topological Indoor Mapping

For localization and mapping of indoor environments through WiFi signals...
09/19/2018 ∙ by Bastian Schäfermeier, et al. ∙ 0 ∙ share

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Towards Better Understanding Researcher Strategies in Cross-Lingual Event Analytics

With an increasing amount of information on globally important events, t...
09/21/2018 ∙ by Simon Gottschalk, et al. ∙ 0 ∙ share

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Heuristics-based Query Reordering for Federated Queries in SPARQL 1.1 and SPARQL-LD

The federated query extension of SPARQL 1.1 allows executing queries dis...
10/23/2018 ∙ by Thanos Yannakis, et al. ∙ 0 ∙ share

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Time-Aware and Corpus-Specific Entity Relatedness

Entity relatedness has emerged as an important feature in a plethora of ...
10/23/2018 ∙ by Nilamadhaba Mohapatra, et al. ∙ 0 ∙ share

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Discovering Entities with Just a Little Help from You

Linking entities like people, organizations, books, music groups and the...
10/24/2018 ∙ by Jaspreet Singh, et al. ∙ 0 ∙ share

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TweetsKB: A Public and Large-Scale RDF Corpus of Annotated Tweets

Publicly available social media archives facilitate research in a variet...
10/23/2018 ∙ by Pavlos Fafalios, et al. ∙ 0 ∙ share

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Expedition: A Time-Aware Exploratory Search System Designed for Scholars

Archives are an important source of study for various scholars. Digitiza...
10/25/2018 ∙ by Jaspreet Singh, et al. ∙ 0 ∙ share

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Tracking the History and Evolution of Entities: Entity-centric Temporal Analysis of Large Social Media Archives

How did the popularity of the Greek Prime Minister evolve in 2015? How d...
10/24/2018 ∙ by Pavlos Fafalios, et al. ∙ 0 ∙ share

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Ranking Archived Documents for Structured Queries on Semantic Layers

Archived collections of documents (like newspaper and web archives) serv...
10/23/2018 ∙ by Pavlos Fafalios, et al. ∙ 0 ∙ share

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