Alexandros Ntoulas

Publication Activity (10 Years)

Years Active: 2000-2022
Publications (10 Years): 10

Top Topics

Novelty Detection

Top Venues

Publications

Panagiotis Liakos, Alexandros Ntoulas, Alex Delis
Uncovering Local Hierarchical Overlapping Communities at Scale. IEEE Trans. Big Data 8 (2) (2022)
Panagiotis Liakos, Katia Papakonstantinopoulou, Alexandros Ntoulas, Alex Delis
Rapid Detection of Local Communities in Graph Streams. IEEE Trans. Knowl. Data Eng. 34 (5) (2022)
Hady W. Lauw, Raymond Chi-Wing Wong, Alexandros Ntoulas
Introduction to the special issue on data science in Asia (with PAKDD'2020). Int. J. Data Sci. Anal. 13 (1) (2022)
Hang Xu, Kelly Kostopoulou, Aritra Dutta, Xin Li, Alexandros Ntoulas, Panos Kalnis
DeepReduce: A Sparse-tensor Communication Framework for Federated Deep Learning. NeurIPS (2021)
Kelly Kostopoulou, Hang Xu, Aritra Dutta, Xin Li, Alexandros Ntoulas, Panos Kalnis
DeepReduce: A Sparse-tensor Communication Framework for Distributed Deep Learning. CoRR (2021)
Panagiotis Liakos, Katia Papakonstantinopoulou, Alexandros Ntoulas, Alex Delis
DiCeS: Detecting Communities in Network Streams over the Cloud. CLOUD (2019)
Panagiotis Liakos, Alexandros Ntoulas, Alex Delis
Rhea: Adaptively sampling authoritative content from social activity streams. IEEE BigData (2017)
Panagiotis Liakos, Alexandros Ntoulas, Alex Delis
COEUS: Community detection via seed-set expansion on graph streams. IEEE BigData (2017)
Panagiotis Liakos, Alexandros Ntoulas, Alex Delis
Scalable link community detection: A local dispersion-aware approach. IEEE BigData (2016)
Panagiotis Liakos, Alexandros Ntoulas, Alexandros Labrinidis, Alex Delis
Focused crawling for the hidden web. World Wide Web 19 (4) (2016)
Margarita Karkali, François Rousseau, Alexandros Ntoulas, Michalis Vazirgiannis
Using temporal IDF for efficient novelty detection in text streams. CoRR (2014)
Fotis Psallidas, Alexandros Ntoulas, Alex Delis
Soc Web: Efficient Monitoring of Social Network Activities. WISE (2) (2013)
Alexandros Ntoulas, Omar Alonso, Vasilis Kandylas
A Data Management Approach for Dataset Selection Using Human Computation. CoRR (2013)
Margarita Karkali, François Rousseau, Alexandros Ntoulas, Michalis Vazirgiannis
Efficient Online Novelty Detection in News Streams. WISE (1) (2013)
Heasoo Hwang, Hady Wirawan Lauw, Lise Getoor, Alexandros Ntoulas
Organizing User Search Histories. IEEE Trans. Knowl. Data Eng. 24 (5) (2012)
Panagiotis Liakos, Alexandros Ntoulas
Topic-Sensitive Hidden-Web Crawling. WISE (2012)
Dimitrios Lymberopoulos, Oriana Riva, Karin Strauss, Akshay Mittal, Alexandros Ntoulas
PocketWeb: instant web browsing for mobile devices. ASPLOS (2012)
Sreenivas Gollapudi, Samuel Ieong, Alexandros Ntoulas, Stelios Paparizos
Efficient Query Rewrite for Structured Web Queries CoRR (2011)
Shuai Ding, Sreenivas Gollapudi, Samuel Ieong, Krishnaram Kenthapadi, Alexandros Ntoulas
Indexing strategies for graceful degradation of search quality. SIGIR (2011)
George Valkanas, Alexandros Ntoulas, Dimitrios Gunopulos
Rank-Aware Crawling of Hidden Web sites. WebDB (2011)
Sreenivas Gollapudi, Samuel Ieong, Alexandros Ntoulas, Stelios Paparizos
Efficient query rewrite for structured web queries. CIKM (2011)
Panayiotis Tsaparas, Alexandros Ntoulas, Evimaria Terzi
Selecting a comprehensive set of reviews. KDD (2011)
Yue Lu, Panayiotis Tsaparas, Alexandros Ntoulas, Livia Polanyi
Exploiting social context for review quality prediction. WWW (2010)
Hady Wirawan Lauw, John C. Shafer, Rakesh Agrawal, Alexandros Ntoulas
Homophily in the Digital World: A LiveJournal Case Study. IEEE Internet Comput. 14 (2) (2010)
Sofia Stamou, Alexandros Ntoulas
Search personalization through query and page topical analysis. User Model. User Adapt. Interact. 19 (1-2) (2009)
Aleksandra Korolova, Krishnaram Kenthapadi, Nina Mishra, Alexandros Ntoulas
Releasing search queries and clicks privately. WWW (2009)
Stelios Paparizos, Alexandros Ntoulas, John C. Shafer, Rakesh Agrawal
Answering web queries using structured data sources. SIGMOD Conference (2009)
Alexandros Ntoulas, Gerald Chao, Junghoo Cho
The Infocious Web Search Engine: Improving Web Searching through Linguistic Analysis. J. Digit. Inf. Manag. 5 (5) (2007)
Alexandros Ntoulas, Junghoo Cho
Pruning policies for two-tiered inverted index with correctness guarantee. SIGIR (2007)
Dirk Kukulenz, Alexandros Ntoulas
Answering bounded continuous search queries in the world wide web. WWW (2007)
Panagiotis G. Ipeirotis, Alexandros Ntoulas, Junghoo Cho, Luis Gravano
Modeling and managing changes in text databases. ACM Trans. Database Syst. 32 (3) (2007)
Alexandros Ntoulas, Marc Najork, Mark S. Manasse, Dennis Fetterly
Detecting spam web pages through content analysis. WWW (2006)
Sofia Stamou, Alexandros Ntoulas, Vlassis Krikos, Pavlos Kokosis, Dimitris Christodoulakis
Classifying Web Data in Directory Structures. APWeb (2006)
Alexandros Ntoulas, Gerald Chao, Junghoo Cho
The infocious web search engine: improving web searching through linguistic analysis. WWW (Special interest tracks and posters) (2005)
Sofia Stamou, Vlassis Krikos, Pavlos Kokosis, Alexandros Ntoulas, Dimitris Christodoulakis
Web Directory Construction Using Lexical Chains. NLDB (2005)
Vlassis Krikos, Sofia Stamou, Pavlos Kokosis, Alexandros Ntoulas, Dimitris Christodoulakis
DirectoryRank: ordering pages in web directories. WIDM (2005)
Panagiotis G. Ipeirotis, Alexandros Ntoulas, Junghoo Cho, Luis Gravano
Modeling and Managing Content Changes in Text Databases. ICDE (2005)
Alexandros Ntoulas, Petros Zerfos, Junghoo Cho
Downloading textual hidden web content through keyword queries. JCDL (2005)
Alexandros Ntoulas, Junghoo Cho, Christopher Olston
What's new on the web?: the evolution of the web from a search engine perspective. WWW (2004)
Junghoo Cho, Alexandros Ntoulas
Effective Change Detection Using Sampling. VLDB (2002)
Alexandros Ntoulas, Sofia Stamou, Manolis Tzagarakis
Using a WWW Search Engine to Evaluate Normalization Performance for a Highly Inflectional Language. ACL (Companion Volume) (2001)
Alexandros Ntoulas, Sofia Stamou, I. Tsakou, Christos Tsalidis, Manolis Tzagarakis, Aristides Vagelatos
Use of a Morphosyntactic Lexicon as the Basis for the Implementation of the Greek Wordnet. Natural Language Processing (2000)