Vagelis Hristidis

Orcid: 0000-0001-8905-2832

Affiliations:
  • University of California, Riverside, Department of Computer Sience and Engineering, CA, USA


According to our database1, Vagelis Hristidis authored at least 134 papers between 2001 and 2024.

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Bibliography

2024
Modeling the impact of out-of-schema questions in task-oriented dialog systems.
Data Min. Knowl. Discov., July, 2024

Progressive Query Expansion for Retrieval Over Cost-constrained Data Sources.
CoRR, 2024

NORMY: Non-Uniform History Modeling for Open Retrieval Conversational Question Answering.
Proceedings of the 18th IEEE International Conference on Semantic Computing, 2024

EcoRank: Budget-Constrained Text Re-ranking Using Large Language Models.
Proceedings of the Findings of the Association for Computational Linguistics, 2024

PAT-Questions: A Self-Updating Benchmark for Present-Anchored Temporal Question-Answering.
Proceedings of the Findings of the Association for Computational Linguistics, 2024

2023
Comparison of LSM indexing techniques for storing spatial data.
J. Big Data, December, 2023

Reverse spatial top-k keyword queries.
VLDB J., May, 2023

Increase Merge Efficiency in LSM Trees Through Coordinated Partitioning of Sorted Runs.
Proceedings of the IEEE International Conference on Big Data, 2023

2022
Task-agnostic representation learning of multimodal twitter data for downstream applications.
J. Big Data, 2022

Bi-directional Log-Structured Merge Tree.
Proceedings of the SSDBM 2022: 34th International Conference on Scientific and Statistical Database Management, Copenhagen, Denmark, July 6, 2022

Zero-label Anaphora Resolution for Off-Script User Queries in Goal-Oriented Dialog Systems.
Proceedings of the 16th IEEE International Conference on Semantic Computing, 2022

2021
Comparison and evaluation of state-of-the-art LSM merge policies.
VLDB J., 2021

Incremental Partitioning for Efficient Spatial Data Analytics.
Proc. VLDB Endow., 2021

Query by documents on top of a search interface.
Inf. Syst., 2021

Generating Predictable and Adaptive Dialog Policies in Single- and Multi-domain Goal-oriented Dialog Systems.
Int. J. Semantic Comput., 2021

Effective social post classifiers on top of search interfaces.
Data Min. Knowl. Discov., 2021

Linguistically-Enriched and Context-Aware Zero-shot Slot Filling.
CoRR, 2021

Linguistically-Enriched and Context-AwareZero-shot Slot Filling.
Proceedings of the WWW '21: The Web Conference 2021, 2021

Generalized Zero-shot Intent Detection via Commonsense Knowledge.
Proceedings of the SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021

Predictable and Adaptive Goal-oriented Dialog Policy Generation.
Proceedings of the 15th IEEE International Conference on Semantic Computing, 2021

QuAX: Mining the Web for High-utility FAQ.
Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

Beast: Scalable Exploratory Analytics on Spatio-temporal Data.
Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

2020
AARSynth: App-Aware Response Synthesis for User Reviews.
CoRR, 2020

Unsupervised Paraphrasing via Deep Reinforcement Learning.
Proceedings of the KDD '20: The 26th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2020

Comprehensive Comparison of LSM Architectures for Spatial Data.
Proceedings of the 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020

App-Aware Response Synthesis for User Reviews.
Proceedings of the 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020

2019
Comparing Synopsis Techniques for Approximate Spatial Data Analysis.
Proc. VLDB Endow., 2019

The impact of colleges and hospitals to local real estate markets.
J. Big Data, 2019

Learning to Rank in Entity Relationship Graphs.
INFORMS J. Comput., 2019

Decrease Product Rating Uncertainty Through Focused Reviews Solicitation.
Int. J. Semantic Comput., 2019

High-throughput publish/subscribe on top of LSM-based storage.
Distributed Parallel Databases, 2019

Unsupervised Ontology- and Sentiment-Aware Review Summarization.
Proceedings of the Web Information Systems Engineering - WISE 2019, 2019

Targeted Solicitation of Product Reviews.
Proceedings of the 13th IEEE International Conference on Semantic Computing, 2019

Using Social Media to Explore Mental Health-Related Behaviors and Discussions among Young Adults.
Proceedings of the 52nd Hawaii International Conference on System Sciences, 2019

Euler++: Improved Selectivity Estimation for Rectangular Spatial Records.
Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

Experimental Evaluation of Bounded-Depth LSM Merge Policies.
Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

2018
Ranking Views.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

A Comparative Study of Secondary Indexing Techniques in LSM-based NoSQL Databases.
Proceedings of the 2018 International Conference on Management of Data, 2018

Chatbot Technologies and Challenges.
Proceedings of the First International Conference on Artificial Intelligence for Industries, 2018

2017
A BAD Demonstration: Towards Big Active Data.
Proc. VLDB Endow., 2017

DualDB: An Efficient LSM-based Publish/Subscribe Storage System.
Proceedings of the 29th International Conference on Scientific and Statistical Database Management, 2017

Efficient Computation of Top-k Frequent Terms over Spatio-temporal Ranges.
Proceedings of the 2017 ACM International Conference on Management of Data, 2017

Querying Documents Annotated by Interconnected Entities.
Proceedings of the Eleventh International Conference on Web and Social Media, 2017

IRanker: Query-Specific Ranking of Reviewed Items.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

Ontology- and Sentiment-Aware Review Summarization.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

2016
Estimation of the Investability of Real Estate Properties through Text Analysis.
Proceedings of the Tenth IEEE International Conference on Semantic Computing, 2016

OSNI: Searching for Needles in a Haystack of Social Network Data.
Proceedings of the 19th International Conference on Extending Database Technology, 2016

Slowing the Firehose: Multi-Dimensional Diversity on Social Post Streams.
Proceedings of the 19th International Conference on Extending Database Technology, 2016

2015
Querying Hidden Attributes in an Online Community Network.
Proceedings of the 12th IEEE International Conference on Mobile Ad Hoc and Sensor Systems, 2015

Answering Complex Queries in an Online Community Network.
Proceedings of the Ninth International Conference on Web and Social Media, 2015

2014
Facilitating Document Annotation Using Content and Querying Value.
IEEE Trans. Knowl. Data Eng., 2014

Efficient Ranking on Entity Graphswith Personalized Relationships.
IEEE Trans. Knowl. Data Eng., 2014

Efficient Prediction of Difficult Keyword Queries over Databases.
IEEE Trans. Knowl. Data Eng., 2014

Pharmaceutical drugs chatter on Online Social Networks.
J. Biomed. Informatics, 2014

Aggregate estimation over a microblog platform.
Proceedings of the International Conference on Management of Data, 2014

User effort minimization through adaptive diversification.
Proceedings of the 20th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2014

Efficient Filtering on Hidden Document Streams.
Proceedings of the Eighth International Conference on Weblogs and Social Media, 2014

Query Hidden Attributes in Social Networks.
Proceedings of the 2014 IEEE International Conference on Data Mining Workshops, 2014

Multi-Query Diversification in Microblogging Posts.
Proceedings of the 17th International Conference on Extending Database Technology, 2014

Efficient Concept-based Document Ranking.
Proceedings of the 17th International Conference on Extending Database Technology, 2014

Templated Search over Relational Databases.
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, 2014

2013
Comparing top-k XML lists.
Inf. Syst., 2013

Top-K Product Design Based on Collaborative Tagging Data
CoRR, 2013

Enabling the transition to the mobile web with WebSieve.
Proceedings of the 14th Workshop on Mobile Computing Systems and Applications, 2013

Measuring and Summarizing Movement in Microblog Postings.
Proceedings of the Seventh International Conference on Weblogs and Social Media, 2013

Generating informative snippet to maximize item visibility.
Proceedings of the 22nd ACM International Conference on Information and Knowledge Management, 2013

How fresh do you want your search results?
Proceedings of the 22nd ACM International Conference on Information and Knowledge Management, 2013

Efficient near-duplicate document detection using FPGAs.
Proceedings of the 2013 IEEE International Conference on Big Data (IEEE BigData 2013), 2013

Leveraging User Query Sessions to Improve Searching of Medical Literature.
Proceedings of the AMIA 2013, 2013

2012
Challenges and communities of medical informatics research.
SIGMOD Rec., 2012

Correlating financial time series with micro-blogging activity.
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, 2012

LogRank: Summarizing Social Activity Logs.
Proceedings of the 15th International Workshop on the Web and Databases 2012, 2012

Comprehension-based result snippets.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

SonetRank: leveraging social networks to personalize search.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

Predicting the effectiveness of keyword queries on databases.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

2011
Effective Navigation of Query Results Based on Concept Hierarchies.
IEEE Trans. Knowl. Data Eng., 2011

Relevance-Based Retrieval on Hidden-Web Text Databases without Ranking Support.
IEEE Trans. Knowl. Data Eng., 2011

Scalable Link-based Personalization for Ranking in Entity-Relationship Graphs.
Proceedings of the 14th International Workshop on the Web and Databases 2011, 2011

Leveraging collaborative tagging for web item design.
Proceedings of the 17th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2011

2010
Using Proximity Search to Estimate Authority Flow.
IEEE Trans. Knowl. Data Eng., 2010

An Access Cost-Aware Approach for Object Retrieval over Multiple Sources.
Proc. VLDB Endow., 2010

Information Discovery on Electronic Health Records Using Authority Flow Techniques.
BMC Medical Informatics Decis. Mak., 2010

Survey of data management and analysis in disaster situations.
J. Syst. Softw., 2010

Using data mining techniques to address critical information exchange needs in disaster affected public-private networks.
Proceedings of the 16th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2010

Ranked queries over sources with Boolean query interfaces without ranking support.
Proceedings of the 26th International Conference on Data Engineering, 2010

Challenges in personalized authority flow based ranking of social media.
Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

FACeTOR: cost-driven exploration of faceted query results.
Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

Patentssearcher: a novel portal to search and explore patents.
Proceedings of the 3rd International Workshop on Patent Information Retrieval, 2010

2009
Storing semi-structured data on disk drives.
ACM Trans. Storage, 2009

Determining Attributes to Maximize Visibility of Objects.
IEEE Trans. Knowl. Data Eng., 2009

Information discovery across multiple streams.
Inf. Sci., 2009

2LP: A double-lazy XML parser.
Inf. Syst., 2009

Experiences on Processing Spatial Data with MapReduce.
Proceedings of the Scientific and Statistical Database Management, 2009

Exploring biomedical databases with BioNav.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2009

BioNav: Effective Navigation on Query Results of Biomedical Databases.
Proceedings of the 25th International Conference on Data Engineering, 2009

XOntoRank: Ontology-Aware Search of Electronic Medical Records.
Proceedings of the 25th International Conference on Data Engineering, 2009

BORG: Block-reORGanization for Self-optimizing Storage Systems.
Proceedings of the 7th USENIX Conference on File and Storage Technologies, 2009

Flexible and efficient querying and ranking on hyperlinked data sources.
Proceedings of the EDBT 2009, 2009

2008
Authority-based keyword search in databases.
ACM Trans. Database Syst., 2008

Beyond Single-Page Web Search Results.
IEEE Trans. Knowl. Data Eng., 2008

CVM - A communication virtual machine.
J. Syst. Softw., 2008

Extracting k most important groups from data efficiently.
Data Knowl. Eng., 2008

Explaining and Reformulating Authority Flow Queries.
Proceedings of the 24th International Conference on Data Engineering, 2008

Standing Out in a Crowd: Selecting Attributes for Maximum Visibility.
Proceedings of the 24th International Conference on Data Engineering, 2008

Message from the DBRANK'08 program co-chairs.
Proceedings of the 24th International Conference on Data Engineering Workshops, 2008

Keyword Search on Spatial Databases.
Proceedings of the 24th International Conference on Data Engineering, 2008

Ontology-Aware Search on XML-based Electronic Medical Records.
Proceedings of the 24th International Conference on Data Engineering, 2008

Towards a business continuity information network for rapid disaster recovery.
Proceedings of the 9th Annual International Conference on Digital Government Research, 2008

Challenges for Information Discovery on Electronic Medical Records.
Proceedings of the Next Generation of Data Mining., 2008

2007
Branch-and-bound processing of ranked queries.
Inf. Syst., 2007

A System for Keyword Search on Textual Streams.
Proceedings of the Seventh SIAM International Conference on Data Mining, 2007

STAR: A System for Tuple and Attribute Ranking of Query Answers.
Proceedings of the 23rd International Conference on Data Engineering, 2007

Beyond Lazy XML Parsing.
Proceedings of the Database and Expert Systems Applications, 18th International Conference, 2007

2006
Probabilistic information retrieval approach for ranking of database query results.
ACM Trans. Database Syst., 2006

Keyword Proximity Search in XML Trees.
IEEE Trans. Knowl. Data Eng., 2006

ObjectRank: a system for authority-based search on databases.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2006

Ordering the attributes of query results.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2006

Searching the web using composed pages.
Proceedings of the SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2006

Syntactic Rule Based Approach toWeb Service Composition.
Proceedings of the 22nd International Conference on Data Engineering, 2006

A flexible approach for electronic medical records exchange.
Proceedings of the International Workshop on Healthcare Information and Knowledge Management, 2006

A Declarative Approach for Specifying User-Centric Communication.
Proceedings of the 2006 International Symposium on Collaborative Technologies and Systems, 2006

A Communication Virtual Machine.
Proceedings of the 30th Annual International Computer Software and Applications Conference, 2006

A system for query-specific document summarization.
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

Continuous keyword search on multiple text streams.
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

2005
Structure-based query-specific document summarization.
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31, 2005

2004
Algorithms and applications for answering ranked queries using ranked views.
VLDB J., 2004

Probabilistic Ranking of Database Query Results.
Proceedings of the (e)Proceedings of the Thirtieth International Conference on Very Large Data Bases, VLDB 2004, Toronto, Canada, August 31, 2004

ObjectRank: Authority-Based Keyword Search in Databases.
Proceedings of the (e)Proceedings of the Thirtieth International Conference on Very Large Data Bases, VLDB 2004, Toronto, Canada, August 31, 2004

2003
Efficient IR-Style Keyword Search over Relational Databases.
Proceedings of 29th International Conference on Very Large Data Bases, 2003

A System for Keyword Proximity Search on XML Databases.
Proceedings of 29th International Conference on Very Large Data Bases, 2003

Keyword Proximity Search on XML Graphs.
Proceedings of the 19th International Conference on Data Engineering, 2003

2002
Semantic Caching of XML Databases.
Proceedings of the Fifth International Workshop on the Web and Databases, 2002

DISCOVER: Keyword Search in Relational Databases.
Proceedings of 28th International Conference on Very Large Data Bases, 2002

2001
PREFER: A System for the Efficient Execution of Multi-parametric Ranked Queries.
Proceedings of the 2001 ACM SIGMOD international conference on Management of data, 2001


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