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Displaying 1-15 out of 15 total
Building Reliable and Reusable Test Collections for Image Retrieval: The Wikipedia Task at ImageCLEF
Found in: IEEE MultiMedia
By Theodora Tsikrika,Jana Kludas,Adrian Popescu
Issue Date:July 2012
pp. 24-33
The ImageCLEF Wikipedia image retrieval task aimed to support ad-hoc image retrieval evaluation using large-scale collections of Wikipedia images and their user-generated annotations.
 
Using the Web to Create Dynamic Dictionaries in Handwritten Out-of-Vocabulary Word Recognition
Found in: 2013 12th International Conference on Document Analysis and Recognition (ICDAR)
By Cristina Oprean,Laurence Likforman-Sulem,Adrian Popescu,Chafic Mokbel
Issue Date:August 2013
pp. 989-993
Handwriting recognition systems rely on predefined dictionaries obtained from training data. Small and static dictionaries are usually exploited to obtain high in-vocabulary (IV) accuracy at the expense of coverage. Thus the recognition of out-of-vocabular...
 
Mining a Multilingual Geographical Gazetteer from the Web
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Adrian Popescu, Gregory Grefenstette, Houda Bouamor
Issue Date:September 2009
pp. 58-65
Geographical gazetteers are necessary in a wide variety of applications. In the past, the construction of such gazetteers has been a tedious, manual process and only recently have the first attempts to automate the gazetteers creation been made. Here we de...
 
Using Semantic Commonsense Resources in Image Retrieval
Found in: Semantic Media Adaptation and Personalization, International Workshop on
By Adrian Popescu, Gregory Grefenstette, Pierre-Alain Moellic
Issue Date:December 2006
pp. 31-36
Many people use the Internet is to find pictures of things. When extraneous images appear in response to simple queries on a search engine, the user has a hard time understanding why his seemingly clear request was not properly satisfied. If the computer c...
 
BitTorrent Traffic Characteristics
Found in: Computing in the Global Information Technology, International Multi-Conference on
By David Erman, Dragos Ilie, Adrian Popescu
Issue Date:August 2006
pp. 42
<p>This paper reports on a measurement and modeling study of session and message characteristics of BitTorrent traffic. BitTorrent is a Peer-to-Peer (P2P) replication and distribution system developed as an alternative to the classical client-server ...
 
Transfer Rate Models for Gnutella Signaling Traffic
Found in: Advanced International Conference on Telecommunications / Internet and Web Applications and Services, International Conference on
By Dragos Ilie, David Erman, Adrian Popescu
Issue Date:February 2006
pp. 101
This paper reports on transfer rate models for the Gnutella signaling protocol. New results on message-level and IP-level rates are presented. The models are based on traffic captured at the Blekinge Institute of Technology (BTH) campus in Sweden and offer...
 
Modeling of One-Way Transit Time in IP Routers
Found in: Advanced International Conference on Telecommunications / Internet and Web Applications and Services, International Conference on
By Doru Constantinescu, Adrian Popescu
Issue Date:February 2006
pp. 16
A novel measurement system is reported for delay measurements in IP routers, which follows specifications of the IETF RFC 2679. The system employs both passive measurements and active probing and offers the possibility to measure and analyze the One-Way Tr...
 
Using the Web to Create Dynamic Dictionaries in Handwritten Out-of-Vocabulary Word Recognition
Found in: 2013 12th International Conference on Document Analysis and Recognition (ICDAR)
By Cristina Oprean,Laurence Likforman-Sulem,Adrian Popescu,Chafic Mokbel
Issue Date:August 2013
pp. 989-993
Handwriting recognition systems rely on predefined dictionaries obtained from training data. Small and static dictionaries are usually exploited to obtain high in-vocabulary (IV) accuracy at the expense of coverage. Thus the recognition of out-of-vocabular...
 
User profiling for answer quality assessment in Q&A communities
Found in: Proceedings of the 2013 workshop on Data-driven user behavioral modelling and mining from social media (DUBMOD '13)
By Adrian Popescu, Alexandru Lucian Ginsca
Issue Date:October 2013
pp. 25-28
Collaborative Web applications, such as forums and question answering websites, help users to get answers to a wide array of questions. Given the large amount of information available, it is important to devise automatic methods that surface high quality a...
     
Towards precise POI localization with social media
Found in: Proceedings of the 21st ACM international conference on Multimedia (MM '13)
By Aymen Shabou, Adrian Popescu
Issue Date:October 2013
pp. 573-576
Points of interest (POIs) are a core component of geographical databases and of location based services. POI acquisition was performed by domain experts but associated costs and access difficulties in many regions of the world reduce the coverage of manual...
     
Mining the web for points of interest
Found in: Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval (SIGIR '12)
By Adam Rae, Adrian Popescu, Hugues Bouchard, Vanessa Murdock
Issue Date:August 2012
pp. 711-720
A point of interest (POI) is a focused geographic entity such as a landmark, a school, an historical building, or a business. Points of interest are the basis for most of the data supporting location-based applications. In this paper we propose to curate P...
     
Mining social media to create personalized recommendations for tourist visits
Found in: Proceedings of the 2nd International Conference on Computing for Geospatial Research & Applications (COM.Geo '11)
By Adrian Popescu, Gregory Grefenstette
Issue Date:May 2011
pp. 1-6
Photo sharing platforms users often annotate their trip photos with landmark names. These annotations can be aggregated in order to recommend lists of popular visitor attractions similar to those found in classical tourist guides. However, individual touri...
     
Image tagging and search: a gender oriented study
Found in: Proceedings of second ACM SIGMM workshop on Social media (WSM '10)
By Adrian Popescu, Gregory Grefenstette
Issue Date:October 2010
pp. 9-14
Social computing sites constitute a valuable source of user-generated content for user modeling. Whereas user generated content and the mining of such content are well studied, little attention has been given in the literature to modeling the relationship ...
     
Spatiotemporal mapping of Wikipedia concepts
Found in: Proceedings of the 10th annual joint conference on Digital libraries (JCDL '10)
By Adrian Popescu, Gregory Grefenstette
Issue Date:June 2010
pp. 129-138
Space and time are important dimensions in the representation of a large number of concepts. However there exists no available resource that provides spatiotemporal mappings of generic concepts. Here we present a link-analysis based method for extracting t...
     
Deducing trip related information from flickr
Found in: Proceedings of the 18th international conference on World wide web (WWW '09)
By Adrian Popescu, Gregory Grefenstette
Issue Date:April 2009
pp. 66-66
Uploading tourist photos is a popular activity on photo sharing platforms. These photographs and their associated metadata (tags, geo-tags, and temporal information) should be useful for mining information about the sites visited. However, user-supplied me...
     
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