Search For:

Displaying 1-50 out of 52 total
A Policy Language for a Pervasive Computing Environment
Found in: Policies for Distributed Systems and Networks, IEEE International Workshop on
By Lalana Kagal, Tim Finin, Anupam Joshi
Issue Date:June 2003
pp. 63
In this paper we describe a policy language designed for pervasive computing applications that is based on deontic concepts and grounded in a semantic language. The pervasive computing environments under consideration are those in which people and devices ...
 
Preserving Privacy in Context-Aware Systems
Found in: International Conference on Semantic Computing
By Pramod Jagtap,Anupam Joshi,Tim Finin,Laura Zavala
Issue Date:September 2011
pp. 149-153
Recent years have seen a confluence of two major trends -- the increase of mobile devices such as smart phones as the primary access point to networked information and the rise of social media platforms that connect people. Their convergence supports the e...
 
How the Semantic Web is Being Used: An Analysis of FOAF Documents
Found in: Hawaii International Conference on System Sciences
By Li Ding, Lina Zhou, Tim Finin, Anupam Joshi
Issue Date:January 2005
pp. 113c
Semantic Web researchers have initially focused on the representation, development and use of ontologies but paid less attention to the social and structural relationships involved. The past year has seen a dramatic increase in the amount of published RDF ...
   
Information Retrieval and the Semantic Web
Found in: Hawaii International Conference on System Sciences
By Tim Finin, James Mayfield, Anupam Joshi, R. Scott Cost, Clay Fink
Issue Date:January 2005
pp. 113a
Information retrieval technology has been central to the success of the Web. For semantic web documents or annotations to have an impact, they will have to be compatible with Web based indexing and retrieval technology. We discuss some of the underlying pr...
   
A Semantic Web Services Architecture
Found in: IEEE Internet Computing
By Mark Burstein, Christoph Bussler, Michal Zaremba, Tim Finin, Michael N. Huhns, Massimo Paolucci, Amit P. Sheth, Stuart Williams
Issue Date:September 2005
pp. 72-81
The Semantic Web Services Initiative Architecture (SWSA) committee has created a set of architectural and protocol abstractions that serve as a foundation for Semantic Web service technologies. This article summarizes the committee's findings, emphasizing ...
 
Social Networks Applied
Found in: IEEE Intelligent Systems
By Steffen Staab, Pedro Domingos, Peter Mika, Jennifer Golbeck, Li Ding, Tim Finin, Anupam Joshi, Andrzej Nowak, Robin R. Vallacher
Issue Date:January 2005
pp. 80-93
Social networks have interesting properties. Building computational models of these networks can help us understand and exploit them. This issue's essays examine applications of these networks' properties.
 
Automating Cloud Services Life Cycle through Semantic Technologies
Found in: IEEE Transactions on Services Computing
By Karuna P. Joshi,Yelena Yesha,Tim Finin
Issue Date:January 2014
pp. 109-122
Managing virtualized services efficiently over the cloud is an open challenge. Traditional models of software development are not appropriate for the cloud computing domain, where software (and other) services are acquired on demand. In this paper, we desc...
 
Extracting Cybersecurity Related Linked Data from Text
Found in: 2013 IEEE Seventh International Conference on Semantic Computing (ICSC)
By Arnav Joshi,Ravendar Lal,Tim Finin,Anupam Joshi
Issue Date:September 2013
pp. 252-259
The Web is typically our first source of information about new software vulnerabilities, exploits and cyber-attacks. Information is found in semi-structured vulnerability databases as well as in text from security bulletins, news reports, cyber security bl...
 
Type Prediction for Efficient Coreference Resolution in Heterogeneous Semantic Graphs
Found in: 2013 IEEE Seventh International Conference on Semantic Computing (ICSC)
By Jennifer Sleeman,Tim Finin
Issue Date:September 2013
pp. 78-85
We describe an approach for performing entity type recognition in heterogeneous semantic graphs in order to reduce the computational cost of performing coreferenceresolution. Our research specifically addresses the problem of working with semi-structured t...
 
Improving Word Similarity by Augmenting PMI with Estimates of Word Polysemy
Found in: IEEE Transactions on Knowledge and Data Engineering
By Lushan Han,Tim Finin,Paul McNamee,Anupam Joshi,Yelena Yesha
Issue Date:June 2013
pp. 1307-1322
Pointwise mutual information (PMI) is a widely used word similarity measure, but it lacks a clear explanation of how it works. We explore how PMI differs from distributional similarity, and we introduce a novel metric, $({\rm PMI}_{max})$, that augments PM...
 
Extracting Information about Security Vulnerabilities from Web Text
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Varish Mulwad,Wenjia Li,Anupam Joshi,Tim Finin,Krishnamurthy Viswanathan
Issue Date:August 2011
pp. 257-260
The Web is an important source of information about computer security threats, vulnerabilities and cyber attacks. We present initial work on developing a framework to detect and extract information about vulnerabilities and attacks from Web text. Our proto...
 
ATM: Automated Trust Management for Mobile Ad Hoc Networks Using Support Vector Machine
Found in: Mobile Data Management, IEEE International Conference on
By Wenjia Li,Anupam Joshi,Tim Finin
Issue Date:June 2011
pp. 291-292
Mobile Ad-hoc Networks (MANETs) are extremely susceptible to various misbehaviors and a variety of trust management schemes have been proposed to detect and mitigate them. Most schemes rely on a set of pre-defined weights to determine how the extent of eac...
 
CARE-CPS: Context-Aware Trust Evaluation for Wireless Networks in Cyber-Physical System Using Policies
Found in: Policies for Distributed Systems and Networks, IEEE International Workshop on
By Wenjia Li, Pramod Jagtap, Laura Zavala, Anupam Joshi, Tim Finin
Issue Date:June 2011
pp. 171-172
A Cyber-Physical System (CPS) involves a tight coupling between the physical and computational elements. Security is a key challenge for the deployment of CPS. Therefore, it is highly desirable to extract correct information from a large volume of noisy da...
 
Coping with Node Misbehaviors in Ad Hoc Networks: A Multi-dimensional Trust Management Approach
Found in: Mobile Data Management, IEEE International Conference on
By Wenjia Li, Anupam Joshi, Tim Finin
Issue Date:May 2010
pp. 85-94
Nodes in Mobile Ad hoc Networks (MANETs) are required to relay data packets to enable communication between other nodes that are not in radio range with each other. However, whether for selfish or malicious reasons, a node may fail to cooperate during the ...
 
The Geolocation of Web Logs from Textual Clues
Found in: Computational Science and Engineering, IEEE International Conference on
By Clayton Fink, Christine Piatko, James Mayfield, Danielle Chou, Tim Finin, Justin Martineau
Issue Date:August 2009
pp. 1088-1092
Understanding the spatial distribution of people who author social media content is of growing interest for researchers and commerce. Blogging platforms depend on authors reporting their own location. However, not all authors report or reveal their locatio...
 
Policy-Based Malicious Peer Detection in Ad Hoc Networks
Found in: Computational Science and Engineering, IEEE International Conference on
By Wenjia Li, Anupam Joshi, Tim Finin
Issue Date:August 2009
pp. 76-82
Mobile Ad hoc Networks (MANETs) are susceptible to various node misbehaviors due to their unique features, such as highly dynamic network topology, rigorous power constraints and error-prone transmission media. Significant research efforts have been made t...
 
Policy Management of Enterprise Systems: A Requirements Study
Found in: Policies for Distributed Systems and Networks, IEEE International Workshop on
By Pranam Kolari, Tim Finin, Yelena Yesha, Kelly Lyons, Jen Hawkins, Stephen Perelgut
Issue Date:June 2006
pp. 231-234
Policy enabled applications are being increasingly employed to support responsive Information Technology services. In competitive business environments, such services increase adaptability of both software and the processes they implement through externali...
 
Security and Privacy Challenges in Open and Dynamic Environments
Found in: Computer
By Lalana Kagal, Tim Finin, Anupam Joshi, Sol Greenspan
Issue Date:June 2006
pp. 89-91
Achieving secure open and dynamic environments requires shared vocabularies, behavioral norms, and trust models.
 
Toward Distributed Service Discovery in Pervasive Computing Environments
Found in: IEEE Transactions on Mobile Computing
By Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha, Tim Finin
Issue Date:February 2006
pp. 97-112
The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and group-based intelligent forwarding of service requests. It does not re...
 
Text Understanding Agents and the Semantic Web
Found in: Hawaii International Conference on System Sciences
By Akshay Java, Tim Finin, Sergei Nirenburg
Issue Date:January 2006
pp. 62b
We discuss the challenges involved in adapting the OntoSem natural language processing system to the Web. One set of tasks involves processing Web documents, translating their computed meaning representations from the OntoSem?s native KR language into the ...
   
Research Directions for Service-Oriented Multiagent Systems
Found in: IEEE Internet Computing
By Michael N. Huhns, Munindar P. Singh, Mark Burstein, Keith Decker, Ed Durfee, Tim Finin, Les Gasser, Hrishikesh Goradia, Nick Jennings, Kiran Lakkaraju, Hideyuki Nakashima, Van Parunak, Jeffrey S. Rosenschein, Alicia Ruvinsky, Gita Sukthankar, Samarth Swaru
Issue Date:November 2005
pp. 65-70
Today's service-oriented systems realize many ideas from the research conducted a decade or so ago in multiagent systems. Because these two fields are so deeply connected, further advances in multiagent systems could feed into tomorrow?s successful service...
 
Search on the Semantic Web
Found in: Computer
By Li Ding, Tim Finin, Anupam Joshi, Yun Peng, Rong Pan, Pavan Reddivari
Issue Date:October 2005
pp. 62-69
To help human users and software agents find relevant knowledge on the Semantic Web, the Swoogle search engine discovers, indexes, and analyzes the ontologies and facts that are encoded in Semantic Web documents.
 
Enhancing Web Privacy Protection through Declarative Policies
Found in: Policies for Distributed Systems and Networks, IEEE International Workshop on
By Pranam Kolari, Li Ding, Shashidhara G. Anupam Joshi, Tim Finin, Lalana Kagal
Issue Date:June 2005
pp. 57-66
The Platform for Privacy Preferences (P3P) is a W3C framework for web privacy management. It provides a standard vocabulary that websites can use to describe their privacy practices. The presence of website published P3P policies enable users to configure ...
 
Intelligent Agents Meet the Semantic Web in Smart Spaces
Found in: IEEE Internet Computing
By Harry Chen, Tim Finin, Anupam Joshi, Lalana Kagal, Filip Perich, Dipanjan Chakraborty
Issue Date:November 2004
pp. 69-79
A new smart meeting room system called EasyMeeting explores the use of multi-agent systems, Semantic Web ontologies, reasoning, and declarative policies for security and privacy. Building on an earlier pervasive computing system, EasyMeeting provides relev...
 
SOUPA: Standard Ontology for Ubiquitous and Pervasive Applications
Found in: Mobile and Ubiquitous Systems, Annual International Conference on
By Harry Chen, Filip Perich, Tim Finin, Anupam Joshi
Issue Date:August 2004
pp. 258-267
We describe a shared ontology called SOUPA — Standard Ontology for Ubiquitous and Pervasive Applications. SOUPA is designed to model and support pervasive computing applications. This ontology is expressed using the Web Ontology Language OWL and includes m...
 
sTuples: Semantic Tuple Spaces
Found in: Mobile and Ubiquitous Systems, Annual International Conference on
By Deepali Khushraj, Ora Lassila, Tim Finin
Issue Date:August 2004
pp. 268-277
Tuple Spaces offer a coordination infrastructure for communication between autonomous entities by providing a logically shared memory along with data persistence, transactional security as well as temporal and spatial decoupling — properties that make it d...
 
Authorization and Privacy for Semantic Web Services
Found in: IEEE Intelligent Systems
By Lalana Kagal, Massimo Paolucci, Naveen Srinivasan, Grit Denker, Tim Finin, Katia Sycara
Issue Date:July 2004
pp. 50-56
This article addresses the security of Semantic Web Services that are declaratively described in OWL-S. The authors propose ontologies to annotate OWL-S input and output parameters with respect to their security characteristics, including encryption and di...
 
Intelligent Agents Meet Semantic Web in a Smart Meeting Room
Found in: Autonomous Agents and Multiagent Systems, International Joint Conference on
By Harry Chen, Filip Perich, Dipanjan Chakraborty, Tim Finin, Anupam Joshi
Issue Date:July 2004
pp. 854-861
We describe a new smart meeting room system called EasyMeeting that explores the use of FIPA agent technologies, Semantic Web ontologies, logic reasoning, and security and privacy policies. Building on a pervasive computing system that we have developed pr...
 
Towards a Pervasive Grid
Found in: Parallel and Distributed Processing Symposium, International
By Vipul Hingne, Anupam Joshi, Tim Finin, Hillol Kargupta, Elias Houstis
Issue Date:April 2003
pp. 207b
The increase in the use of mobile & embedded devices, coupled with ad-hoc, short range wireless networking is enabling pervasive computing. This pervasive computing environment and the wired Grid infrastructure can be combined to make the Computation a...
 
Using Peer-to-Peer Data Routing for Infrastructure-Based Wireless Networks
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Yelena Yesha
Issue Date:March 2003
pp. 305
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. Wireless Infrastructure in terms of base stations is often available in many ...
 
ITtalks: A Case Study in the Semantic Web and DAML+OIL
Found in: IEEE Intelligent Systems
By R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, Harry Chen, Lalana Kagal, Filip Perich, Youyoung Zou, Sovrin Tolia
Issue Date:January 2002
pp. 40-47
<p>Effective use of the multitude of information available on the Web will require the use of Semantic Web markup languages such as the DARPA Agent Markup Language Ontology Inference Layer (DAML+OIL). These languages will enable automated information...
 
Trust-Based Security in Pervasive Computing Environments
Found in: Computer
By Lalana Kagal, Tim Finin, Anupam Joshi
Issue Date:December 2001
pp. 154-157
<p>Pervasive computing systems require a security architecture based on trust rather than just user authentication and access control.</p>
 
Mini-track on Multi-Agent Systems, Internet & Applications Software Technology Track
Found in: Hawaii International Conference on System Sciences
By Tim Finin, Anupam Joshi, Yannis Labrou, Yun Peng
Issue Date:January 2000
pp. 8032
The distributed, large-scale, and dynamic nature of the Internet has created the need for new technologies that will allow users and application developers to harness its potential. This is especially so in emerging applications areas such as electronic co...
   
An Agent-Based Infrastructure for Enterprise Integration
Found in: Agent Systems and Applications, International Symposium on / International Symposium on Mobile Agents
By R. Scott Cost, Tim Finin, Yannis Labrou, Xiaocheng Luan, Yun Peng, Ian Soboroff, James Mayfield, Akram Boughannam
Issue Date:October 1999
pp. 219
Jackal is a Java-based tool for communication using the KQML agent communication language. Some features that make it extremely valuable to agent development are its conversation management facilities, flexible, blackboard style interface and ease of integ...
 
Agent Communication Languages: The Current Landscape
Found in: IEEE Intelligent Systems
By Yannis Labrou, Tim Finin, Yun Peng
Issue Date:March 1999
pp. 45-52
Despite the substantial number of multi-agent systems that use an Agent Communication Language (ACL), the dust has not settled yet over the landscape of ACLs. The semantic specification issues have monopolized the debate at the expense of other important p...
 
The Interoperability Problem: Bringing Together Mobile Agents and Agent Communication Languages
Found in: Hawaii International Conference on System Sciences
By Yannis Labrou, Tim Finin, Yun Peng
Issue Date:January 1999
pp. 8063
Interoperability is a central issue for both the mobile agents community and the wider agents community. Un-fortunately, the interoperability concerns are different between the two communities. As a result, inter-agent communication is an issue that has be...
   
Ensembles in adversarial classification for spam
Found in: Proceeding of the 18th ACM conference on Information and knowledge management (CIKM '09)
By Deepak Chinavle, Pranam Kolari, Tim Finin, Tim Oates
Issue Date:November 2009
pp. 2015-2018
The standard method for combating spam, either in email or on the web, is to train a classifier on manually labeled instances. As the spammers change their tactics, the performance of such classifiers tends to decrease over time. Gathering and labeling mor...
     
Semantic Web in the Context Broker Architecture
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Harry Chen, Tim Finin, Anupam Joshi
Issue Date:March 2004
pp. 277
This document describes a new architecture that exploits Semantic Web technologies for supporting pervasive context-aware systems. This architecture called Context Broker Architecture (CobrA) differs from other architectures in using the Web Ontology Langu...
 
Schema-free structured querying of DBpedia data
Found in: Proceedings of the 21st ACM international conference on Information and knowledge management (CIKM '12)
By Anupam Joshi, Lushan Han, Tim Finin
Issue Date:October 2012
pp. 2090-2093
We need better ways to query large linked data collections such as DBpedia. Using the SPARQL query language requires not only mastering its syntax but also understanding the RDF data model, large ontology vocabularies and URIs for denoting entities. Natura...
     
Improving binary classification on text problems using differential word features
Found in: Proceeding of the 18th ACM conference on Information and knowledge management (CIKM '09)
By Anupam Joshi, Justin Martineau, Shamit Patel, Tim Finin
Issue Date:November 2009
pp. 2019-2024
We describe an efficient technique to weigh word-based features in binary classification tasks and show that it significantly improves classification accuracy on a range of problems. The most common text classification approach uses a document's ngrams (wo...
     
Why we twitter: understanding microblogging usage and communities
Found in: Proceedings of the 9th WebKDD and 1st SNA-KDD 2007 workshop on Web mining and social network analysis (WebKDD/SNA-KDD '07)
By Akshay Java, Belle Tseng, Tim Finin, Xiaodan Song
Issue Date:August 2007
pp. 56-65
Microblogging is a new form of communication in which users can describe their current status in short posts distributed by instant messages, mobile phones, email or the Web. Twitter, a popular microblogging tool has seen a lot of growth since it launched ...
     
Mobile interaction with the real world
Found in: Proceedings of the 8th conference on Human-computer interaction with mobile devices and services (MobileHCI '06)
By Enrico Rukzio, Massimo Paolucci, Paul Wisner, Terry Payne, Tim Finin
Issue Date:September 2006
pp. 295-296
The main goal of the workshop is to discuss approaches that use a mobile device (e.g. mobile phone, smartphone, PDA) for interactions with objects in the real world. Relevant topics include (but are not limited to) mobile interaction with the real world; m...
     
Integrating ecoinformatics resources on the semantic web
Found in: Proceedings of the 15th international conference on World Wide Web (WWW '06)
By Allan Hollander, Andriy Parafiynyk, Cynthia Sims Parr, David Wang, Joel Sachs, Li Ding, Sandor Dornbush, Tim Finin
Issue Date:May 2006
pp. 1073-1074
We describe ELVIS (the Ecosystem Location Visualization and Information System), a suite of tools for constructing food webs for a given location. We express both ELVIS input and output data in OWL, thereby enabling its integration with other semantic web ...
     
Semantic analytics on social networks: experiences in addressing the problem of conflict of interest detection
Found in: Proceedings of the 15th international conference on World Wide Web (WWW '06)
By Amit P. Sheth, Anupam Joshi, Boanerges Aleman-Meza, Cartic Ramakrishnan, I. Budak Arpinar, Li Ding, Meenakshi Nagarajan, Pranam Kolari, Tim Finin
Issue Date:May 2006
pp. 407-416
In this paper, we describe a Semantic Web application that detects Conflict of Interest (COI) relationships among potential reviewers and authors of scientific papers. This application discovers various 'semantic associations' between the reviewers and aut...
     
Swoogle: a search and metadata engine for the semantic web
Found in: Proceedings of the Thirteenth ACM conference on Information and knowledge management (CIKM '04)
By Anupam Joshi, Joel Sachs, Li Ding, Pavan Reddivari, R. Scott Cost, Rong Pan, Tim Finin, Vishal Doshi, Yun Peng
Issue Date:November 2004
pp. 652-659
Swoogle is a crawler-based indexing and retrieval system for the Semantic Web. It extracts metadata for each discovered document, and computes relations between documents. Discovered documents are also indexed by an information retrieval system which can u...
     
Information retrieval on the semantic web
Found in: Proceedings of the eleventh international conference on Information and knowledge management (CIKM '02)
By Anupam Joshi, Tim Finin, Urvi Shah
Issue Date:November 2002
pp. 461-468
We describe an approach to retrieval of documents that contain of both free text and semantically enriched markup. In particular, we present the design and implementation prototype of a framework in which both documents and queries can be marked up with st...
     
Yahoo! as an ontology: using Yahoo! categories to describe documents
Found in: Proceedings of the eighth international conference on Information and knowledge management (CIKM '99)
By Tim Finin, Yannis Labrou
Issue Date:November 1999
pp. 180-187
We suggest that one (or a collection) of names of Yahoo! (or any other WWW indexer's) categories can be used to describe the content of a document. Such categories offer a standardized and universal way for referring to or describing the nature of real wor...
     
Agent development with Jackal
Found in: Proceedings of the third annual conference on Autonomous Agents (AGENTS '99)
By Akram Boughannam, Ian Soboroff, James Mayfield, R. Scott Cost, Tim Finin, Xiaocheng Luan, Yannis Labrou, Yun Peng
Issue Date:April 1999
pp. 358-359
When creating virtual reality environments a large amount of the interaction needs to be programmed. The problem with this is that non-computer expert users lack the programming skills necessary to create useful applications. Specifying interactions remain...
     
KQML as an agent communication language
Found in: Proceedings of the third international conference on Information and knowledge management (CIKM '94)
By Don McKay, Richard Fritzson, Robin McEntire, Tim Finin
Issue Date:November 1994
pp. 456-463
This paper describes the design of and experimentation with the Knowledge Query and Manipulation Language (KQML), a new language and protocol for exchanging information and knowledge. This work is part of a larger effort, the ARPA Knowledge Sharing Effort ...
     
A semantics approach for KQML---a general purpose communication language for software agents
Found in: Proceedings of the third international conference on Information and knowledge management (CIKM '94)
By Tim Finin, Yannis Labrou
Issue Date:November 1994
pp. 447-455
We investigate the semantics for Knowledge Query Manipulation Language (KQML) and we propose a semantic framework for the language. KQML is a language and a protocol to support communication between software agents. Based on ideas from speech act theory, w...
     
 1  2 Next >>