Use of a Morphosyntactic Lexicon as the Basis for the Implementation of the Greek Wordnet. - Alexandros Ntoulas; Sofia Stamou; I. Tsakou; Christos Tsalidis; Manolis Tzagarakis; Aristides Vagelatos (Natural Language Processing, 2000)

Using a WWW Search Engine to Evaluate Normalization Performance for a Highly Inflectional Language. - Alexandros Ntoulas; Sofia Stamou; Manolis Tzagarakis (ACL (Companion Volume), 2001)

Effective Change Detection Using Sampling. - Junghoo Cho; Alexandros Ntoulas (VLDB, 2002)

What's new on the web?: the evolution of the web from a search engine perspective. - Alexandros Ntoulas; Junghoo Cho; Christopher Olston (WWW, 2004)

Modeling and Managing Content Changes in Text Databases. - Panagiotis G. Ipeirotis; Alexandros Ntoulas; Junghoo Cho; Luis Gravano (ICDE, 2005)

Downloading textual hidden web content through keyword queries. - Alexandros Ntoulas; Petros Zerfos; Junghoo Cho (JCDL, 2005)

Web Directory Construction Using Lexical Chains. - Sofia Stamou; Vlassis Krikos; Pavlos Kokosis; Alexandros Ntoulas; Dimitris Christodoulakis (NLDB, 2005)

DirectoryRank: ordering pages in web directories. - Vlassis Krikos; Sofia Stamou; Pavlos Kokosis; Alexandros Ntoulas; Dimitris Christodoulakis (WIDM, 2005)

Classifying Web Data in Directory Structures. - Sofia Stamou; Alexandros Ntoulas; Vlassis Krikos; Pavlos Kokosis; Dimitris Christodoulakis (APWeb, 2006)

Detecting spam web pages through content analysis. - Alexandros Ntoulas; Marc Najork; Mark S. Manasse; Dennis Fetterly (WWW, 2006)

Pruning policies for two-tiered inverted index with correctness guarantee. - Alexandros Ntoulas; Junghoo Cho (SIGIR, 2007)

Answering bounded continuous search queries in the world wide web. - Dirk Kukulenz; Alexandros Ntoulas (WWW, 2007)

The Infocious Web Search Engine: Improving Web Searching through Linguistic Analysis. - Alexandros Ntoulas; Gerald Chao; Junghoo Cho (J. Digit. Inf. Manag., 2007)

Modeling and managing changes in text databases. - Panagiotis G. Ipeirotis; Alexandros Ntoulas; Junghoo Cho; Luis Gravano (ACM Trans. Database Syst., 2007)

Answering web queries using structured data sources. - Stelios Paparizos; Alexandros Ntoulas; John C. Shafer; Rakesh Agrawal 001 (SIGMOD Conference, 2009)

Releasing search queries and clicks privately. - Aleksandra Korolova; Krishnaram Kenthapadi; Nina Mishra; Alexandros Ntoulas (WWW, 2009)

Search personalization through query and page topical analysis. - Sofia Stamou; Alexandros Ntoulas (User Model. User Adapt. Interact., 2009)

Exploiting social context for review quality prediction. - Yue Lu; Panayiotis Tsaparas; Alexandros Ntoulas; Livia Polanyi (WWW, 2010)

Homophily in the Digital World: A LiveJournal Case Study. - Hady Wirawan Lauw; John C. Shafer; Rakesh Agrawal 001; Alexandros Ntoulas (IEEE Internet Comput., 2010)

Efficient query rewrite for structured web queries. - Sreenivas Gollapudi; Samuel Ieong; Alexandros Ntoulas; Stelios Paparizos (CIKM, 2011)

Selecting a comprehensive set of reviews. - Panayiotis Tsaparas; Alexandros Ntoulas; Evimaria Terzi (KDD, 2011)

Indexing strategies for graceful degradation of search quality. - Shuai Ding 006; Sreenivas Gollapudi; Samuel Ieong; Krishnaram Kenthapadi; Alexandros Ntoulas (SIGIR, 2011)

Rank-Aware Crawling of Hidden Web sites. - George Valkanas; Alexandros Ntoulas; Dimitrios Gunopulos (WebDB, 2011)

PocketWeb: instant web browsing for mobile devices. - Dimitrios Lymberopoulos; Oriana Riva; Karin Strauss; Akshay Mittal; Alexandros Ntoulas (ASPLOS, 2012)

Topic-Sensitive Hidden-Web Crawling. - Panagiotis Liakos; Alexandros Ntoulas (WISE, 2012)

Organizing User Search Histories. - Heasoo Hwang; Hady Wirawan Lauw; Lise Getoor; Alexandros Ntoulas (IEEE Trans. Knowl. Data Eng., 2012)

Efficient Online Novelty Detection in News Streams. - Margarita Karkali; François Rousseau 001; Alexandros Ntoulas; Michalis Vazirgiannis (WISE (1), 2013)

Soc Web: Efficient Monitoring of Social Network Activities. - Fotis Psallidas; Alexandros Ntoulas; Alex Delis (WISE (2), 2013)

A Data Management Approach for Dataset Selection Using Human Computation. - Alexandros Ntoulas; Omar Alonso; Vasilis Kandylas (CoRR, 2013)

Using temporal IDF for efficient novelty detection in text streams. - Margarita Karkali; François Rousseau 001; Alexandros Ntoulas; Michalis Vazirgiannis (CoRR, 2014)

Scalable link community detection: A local dispersion-aware approach. - Panagiotis Liakos; Alexandros Ntoulas; Alex Delis (IEEE BigData, 2016)

Focused crawling for the hidden web. - Panagiotis Liakos; Alexandros Ntoulas; Alexandros Labrinidis; Alex Delis (World Wide Web, 2016)

COEUS: Community detection via seed-set expansion on graph streams. - Panagiotis Liakos; Alexandros Ntoulas; Alex Delis (IEEE BigData, 2017)

Rhea: Adaptively sampling authoritative content from social activity streams. - Panagiotis Liakos; Alexandros Ntoulas; Alex Delis (IEEE BigData, 2017)

DiCeS: Detecting Communities in Network Streams over the Cloud. - Panagiotis Liakos; Katia Papakonstantinopoulou; Alexandros Ntoulas; Alex Delis (CLOUD, 2019)

DeepReduce: A Sparse-tensor Communication Framework for Federated Deep Learning. - Hang Xu; Kelly Kostopoulou; Aritra Dutta; Xin Li 022; Alexandros Ntoulas; Panos Kalnis (NeurIPS, 2021)

DeepReduce: A Sparse-tensor Communication Framework for Distributed Deep Learning. - Kelly Kostopoulou; Hang Xu; Aritra Dutta; Xin Li 022; Alexandros Ntoulas; Panos Kalnis (CoRR, 2021)

Introduction to the special issue on data science in Asia (with PAKDD'2020). - Hady W. Lauw; Raymond Chi-Wing Wong; Alexandros Ntoulas (Int. J. Data Sci. Anal., 2022)

Uncovering Local Hierarchical Overlapping Communities at Scale. - Panagiotis Liakos; Alexandros Ntoulas; Alex Delis (IEEE Trans. Big Data, 2022)

Rapid Detection of Local Communities in Graph Streams. - Panagiotis Liakos; Katia Papakonstantinopoulou; Alexandros Ntoulas; Alex Delis (IEEE Trans. Knowl. Data Eng., 2022)