| QSAR Classification Model for Antibacterial Compounds and Its Use in Virtual Screening |
26 Sep 2012 |
13 pages |
| Authors:
Narender Singh; Sidhartha Chaudhury; Ruifeng Liu; Mohamed D AbdulHameed; Gregory Tawa; Anders Wallqvist; ARMY MEDICAL RESEARCH AND MATERIEL COMMAND FORT DETRICK MD TELEMEDICINE AND ADVANCED TECH RESEARCH CENTER
|
 | As novel and drug-resistant bacterial strains continue to present an emerging health threat, the development of new antibacterial agents is critical. This includes making improvements to existing antibacterial scaffolds as well as identifying novel ones. The aim of this study is to apply a Bayesian classification QSAR approach to rapidly screen chemical libraries for compounds predicted to have antibacterial activity. Toward this end we assembled a data set of 317 ... |
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| Maintaining Multimedia Data in a Geospatial Database |
Sep 2012 |
57 pages |
| Authors:
Mitchakima D Banks; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF COMPUTER SCIENCE
|
| This thesis resulted from a project in which imagery was captured and automatically stored. Historical data were integrated with it and made available through the network to permit a TIVO-style replay of events anywhere within a city limit, with higher spatial and temporal resolution on hotspots. The purpose was to allow law enforcement personnel to go back in time to a location and recover imagery/video of interest in a timely ... |
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| Real-time Probabilistic Covariance Tracking with Efficient Model Update |
May 2012 |
16 pages |
| Authors:
Yi Wu; Jian Cheng; Jinqiao Wang; Hanqing Lu; Jun Wang; Haibin Ling; Erik Blasch; Li Bai; AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH
|
| The recently proposed covariance region descriptor has been proven robust and versatile for a modest computational cost. The covariance matrix enables efficient fusion of different types of features, where the spatial and statistical properties as well as their correlation are characterized. The similarity between two covariance descriptors is measured on Riemannian manifolds. Based on the same metric, but with a probabilistic framework, we propose a novel tracking approach on Riemannian ... |
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| Quantitative Structure-Activity Relationships for Organophosphate Enzyme Inhibition (Briefing Charts) |
22 Sep 2011 |
26 pages |
| Authors:
Christopher Ruark; Kyung Yu; HENRY M JACKSON FOUNDATION FOR THE ADVANCEMENT OF MILITARY MEDICINE WRIGHT-PATTERSON AFB OH
|
| Organophosphates (OPs) are a group of pesticides that inhibit enzymes such as acetylcholinesterase. Numerous OP structural variants exist and toxicity data can be difficult to quickly obtain. To address this concern, quantitative structure-activity relationship (QSAR) models were developed to predict acetylcholinesterase, butyrycholinesterase, trypsin and chymotrypsin inhibition, key components in biologically-based dose-response (BBDR) models. The acetylcholinesterase database consisted of 747 structures developed from 69 peer reviewed publications. AMPAC and CODESSA descriptors ... |
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| Beyond Keyword Search: Discovering Relevant Scientific Literature |
Jun 2011 |
36 pages |
| Authors:
Khalid El-Arini; Carlos Guestrin; CARNEGIE-MELLON UNIV PITTSBURGH PA MACHINE LEARNING DEPT
|
| In scientific research, it is often difficult to express information needs as simple keyword queries. We present a more natural way of searching for relevant scientific literature. Rather than a string of keywords, we define a query as a small set of papers deemed relevant to the research task at hand. By optimizing an objective function based on a fine-grained notion of influence between documents, our approach efficiently selects a ... |
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| ICTNET at Web Track 2010 Ad-hoc Task |
NOV 2010 |
5 pages |
| Authors:
Xu Chen; Zeying Peng; Jianguo Wang; Xiaoming Lu; Yue Liu; Hongbo Xu; Xueqi Cheng; CHINESE ACADEMY OF SCIENCES BEIJING INST OF COMPUTING TECHNOLOGY
|
| In this paper, our team - "ICTNET", participated in the ad-hoc task of Web Track of TREC 2010. The full Category A dataset was used. The sliding window BM25 model was extended from last year?s method, combining with link analysis to rank the final results. All the methods having been tried in our experiments are delineated, and the evaluation results from the organizers of Web Track are presented thereafter. |
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| TPDSci.com: A Continually Updated Monograph of Selected Topics in the Optics of Turbid Media |
Apr 2010 |
8 pages |
| Authors:
Jerzy Depa; Miroslaw Jonasz; Weilin Hou; NAVAL RESEARCH LAB STENNIS DETACHMENT STENNIS SPACE CENTER MS OCEANOGRAPHY DIV
|
| A growing number of publications in the field of particle and dispersion science has created an immediate need for facilitated access by scientists to the latest relevant findings. An online monograph, Topics in Particle and Dispersion Science (TPDSci.com), implements an original approach to this problem. This peer-reviewed publication continually builds an up-to-date comprehensive literature review from conclusion-oriented very brief abstracts (VBAs). The review is complemented by an extensive hierarchical concept-based ... |
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| Developing a Modular Framework for Implementing a Semantic Search Engine |
Sep-2009 |
99 pages |
| Authors:
Brian M Hawkins; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
|
| Current methods of information retrieval (IR) are adequate for everyday search needs, but they are not appropriate for many military and industrial tasks. The underlying mechanism of typical search methods is based upon keyword matching, which has demonstrated very poor performance over highly technical requirements documents found within the field of acquisitions. Instead of matching keywords, IR methods that understand the meaning of the words in a query are needed ... |
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| A Study of Topic and Topic Change in Conversational Threads |
Sep-2009 |
95 pages |
| Authors:
Jessy Cowan-Sharp; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF COMPUTER SCIENCE
|
| This thesis applies Latent Dirichlet Allocation (LDA) to the problem of topic and topic change in conversational threads using e-mail. We demonstrate that LDA can be used to successfully classify raw e-mail messages with threads to which they belong, and compare the results with those for processed threads, where quoted and reply text have been removed. Raw thread classification performs better, but processed threads show promise. We then present two ... |
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| Visualization of a Text Network Structure Using X3D |
MAY 2008 |
44 pages |
| Authors:
Andrew M. Neiderer; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD COMPUTATIONAL AND INFORMATION SCIENCES DIR
|
| This report describes a dynamic extensible three-dimensional (3-D) (X3D) scene graph for visualizing text documents. It was developed at the U.S. Army Research Laboratory as a tool for social network analysis: specifically, to view a network of nodes where a node is a noun within a news article. Keyword and target nodes are represented as X3D spheres of different radii and color. Keyword node attraction to a specific target node ... |
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| Human Augmentation of Reasoning Through Patterning (HARP) |
APR 2008 |
52 pages |
| Authors:
Stephen J. Sickels; GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS (GDAIS) ARLINGTON VA
|
| The objective for this effort was to develop effective software tools to support collaborative intelligence analysis. The development led to two separate tools, tag/Connect and Catalyst. These tools can be used separately or combined for a more expansive collaborative capability. Tag/Connect allows analysts to apply tags (keywords) to Web-based resources, and to see and leverage the tags and tagged resources of others. Catalyst is a modeling tool that can be ... |
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| List of U.S. Army Research Institute Research and Technical Publications. Fiscal Year 2006 |
AUG 2007 |
78 pages |
| Authors:
ARMY RESEARCH INST FOR THE BEHAVIORAL AND SOCIAL SCIENCES ARLINGTON VA
|
| A bibliography of ARI technical publications from fiscal year 2006, including abstracts, author indexes, and report titles and subject terms index. |
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| Navy Medicine Technology Watch: Concepts of Operations |
10-Nov-2006 |
45 pages |
| Authors:
Ted Melcer; Carl Snow; Bill Hancock; Mike Stigall; Bill Hamilton; NAVAL HEALTH RESEARCH CENTER SAN DIEGO CA
|
| The present study objectives were to (1) develop an informational tech watch website and/or service for Navy Medicine that tracks commercial-off-the-shelf (COTS)/government-off-the-shelf (GOTS) medical technologies, and (2) integrate the Tech Watch service with relevant Navy entities, such as the Fleet Forces Command (FFC) and Naval Warfare Development Command. A concepts of operations (CONOPS) included four components: (1) gathering information based on keyword inputs to an Internet search engine, (2) filtering ... |
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| The Software Therapist: Usability Problem Diagnosis Through Latent Semantic Analysis |
14 JUN 2006 |
103 pages |
| Authors:
Randall Sparks; Rex Hartson; KNOWLEDGE ANALYSIS TECHNOLOGIES BOULDER CO
|
| The work we report on here addresses the problem of low return on investment in software usability engineering and offers support for usability practitioners in identifying, understanding, documenting, and fixing usability problems. It does this by (1) validating and extending a structured knowledge framework of usability concepts for organizing and relating usability data to design flaws and solutions, (2) specifying a usability data management cycle to support a diagnosis process ... |
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| BotXminer: Mining Biomedical Literature with a New Web-Based Application |
21 MAR 2006 |
6 pages |
| Authors:
Uma Mudunuri; Robert Stephens; David Bruining; David Liu; Frank J. Lebeda; NATIONAL CANCER INST FREDERICK MD
|
| This paper outlines botXminer, a publicly available application to search XML-formatted MEDLINE data in a complete, object-relational schema implemented in Oracle XML DB. An advantage offered by botXminer is that it can generate quantitative results with certain queries that are not feasible through the Entrez-PubMed interface. After retrieving citations associated with user-supplied search terms, MEDLINE fields (title, abstract, journal, MeSH and chemical) and terms (MeSH qualifiers and descriptors, keywords, author, ... |
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| A Menagerie of Tracks at Maryland: HARD, Enterprise, QA, and Genomics, Oh My! |
2006 |
18 pages |
| Authors:
Jimmy Lin; Eileen Abels; Dina Demner-Fushman; Douglas W. Oard; Philip Wu; Yejun Wu; MARYLAND UNIV COLLEGE PARK INST FOR ADVANCED COMPUTER STUDIES
|
| This year, the University of Maryland participated in four separate tracks: HARD, enterprise, question answering, and genomics. Our HARD experiments involved a trained intermediary who searched for documents on behalf of the user, created clarification forms manually, and exploited user responses accordingly. The aim was to better understand the nature of single-iteration clarification dialogs and to develop an "ontology of clarifications" that can be leveraged to guide system development. For ... |
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| Improving Passage Retrieval Using Interactive Elicition and Statistical Modeling |
2006 |
9 pages |
| Authors:
Daqing He; Dina Demner-Fushman; Douglas W. Oard; Damianos Karakos; Sanjeev Khudanpur; MARYLAND UNIV COLLEGE PARK INST FOR ADVANCED COMPUTER STUDIES
|
| The University of Maryland and Johns Hopkins University worked together in the 2004 High Accuracy Retrieval from Documents (HARD) track to explore design options for interactive passage retrieval systems. HARD assessors responded to clarification forms by (1) selected additional search terms from an automatically constructed list of potentially discriminating terms, (2) selected relevant passages from an automatically constructed list of possibly relevant passages, and (3) entered additional search terms. Query ... |
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| A Hybrid Approach for QA Track Definitional Questions |
2006 |
9 pages |
| Authors:
Sasha Blair-Goldensohn; Kathleen R. McKeown; Andrew H. Schlaikjer; COLUMBIA UNIV NEW YORK DEPT OF COMPUTER SCIENCE
|
| This paper presents an overview of DefScriber, a hybrid goal-driven and data-driven system for definitional questions that was developed at Columbia University. DefScriber combines knowledge-based and statistical methods to answer definitional questions of the form, "What is X?" The authors explain how the system was modified and applied to answer definitional questions in the TREC 2003 QA track. They present DefScriber's results on the definitional questions, which were significantly above ... |
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| A Video Game-Based Framework for Analyzing Human-Robot Interaction: Characterizing Interface Design in Real-Time Interactive Multimedia Applications |
2006 |
9 pages |
| Authors:
Justin Richer; Jill L. Drury; MITRE CORP BEDFORD MA
|
| ABSTRACT There is growing interest in mining the world of video games to find inspiration for human-robot interaction (HRI) design. This paper segments video game interaction into domain-independent components which together form a framework that can be used to characterize real-time interactive multimedia applications in general and HRI in particular. We provide examples of using the components in both the video game and the Unmanned Aerial Vehicle (UAV) domains (treating ... |
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| Agent Semantic Communication Services |
17 AUG 2005 |
33 pages |
| Authors:
John Li; Allan Terry; TEKNOWLEDGE CORP PALO ALTO CA
|
| Agent Semantic Communication Services (ASCS) addressed a fundamental issue in the adoption and use of semantic technologies. It provided a semantic search engine with Web-scale architecture. Semantic search answers a logical query by return bindings for the unbound variables in the query. In information retrieval approaches such as Google, a large number of URIs are returned that contain one or more of the search keywords, ranked by an estimate of ... |
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| Concept of Operations (CONOPS) for Foreign Language and Speech Translation Technologies in a Coalition Military Environment |
MAR 2005 |
81 pages |
| Authors:
Susan L. Marshall; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF INFORMATIONAL SCIENCES
|
| This thesis presents Concept of Operations (CONOPS) for two specific automated language translation (ALT) devices, the P2 Phraselator and the Voice Response Translator (VRT). The CONOPS for each device are written as Appendix A and Appendix B respectively. The body of the thesis presents a broad introduction to the present state of ALT technology for the reader who is new to the general subject. It pursues this goal by introducing ... |
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| Probability Distribution Function of the Upper Equatorial Pacific Current Speeds |
2005 |
19 pages |
| Authors:
Peter C. Chu; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF OCEANOGRAPHY
|
| The probability distribution function (PDF) of the upper (0-50 rn) tropical Pacific current speeds (w), constructed from hourly ADCP data (1990-2007) at six stations for the Tropical Atmosphere Ocean project satisfies the two-parameter Weibull distribution reasonably well with different characteristics between El Nino and La Nina events: In the western Pacific, the PDF of w' has a larger peakedness during the La Nina events than during the El Nino events: ... |
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| Preventing Wormhole Attacks on Wireless Ad Hoc Networks: A Graph Theoretic Approach |
2005 |
8 pages |
| Authors:
L. Lazos; R. Poovendran; C. Meadows; P. Syverson; L. W. Chang; WASHINGTON UNIV SEATTLE
|
| We study the problem of characterizing the wormhole attack, an attack that can be mounted on a wide range of wireless network protocols without compromising any cryptographic quantity or network node. Making use of geometric random graphs induced by the communication range constraint of the nodes, we present the necessary and sufficient conditions for detecting and defending against wormholes. Using our theory, we also present a defense mechanism based on ... |
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| Interaction on Emotions |
16 JAN 2004 |
148 pages |
| Authors:
Arno Hartholt; Tijmen J. Muller; UNIVERSITY OF SOUTHERN CALIFORNIA MARINA DEL REY CA INST FOR CREATIVE TECHNOLOGIES
|
| This report describes the addition of an emotion dialogue to the Mission Rehearsal Exercise (MRE) system. The goal of the MRE system is to provide an immersive learning environment for army officer recruits. The user can engage in conversation with several intelligent agents in order to accomplish the goals within a certain scenario. Although these agents did already posses emotions, they were unable to express them verbally. A question - ... |
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| Science and Technology Text Mining: Near-Earth Space |
21 JUL 2003 |
37 pages |
| Authors:
Donald N. Kostoff; Henry J. Eberhart; Darrell R. Toothman; OFFICE OF NAVAL RESEARCH ARLINGTON VA
|
| Database tomography is a patented system for analyzing large amounts of textual computerized material. It includes algorithms for extracting multi- word phrase frequencies and performing phrase proximity analyses. This report shows how database tomography can be used to derive technical intelligence from the published literature. One potential application of database tomography is to obtain the thrusts and interrelationships of a technical field from papers published in the literature within that ... |
|
| The Characteristics of Spanish Reservoirs |
11 APR 2003 |
7 pages |
| Authors:
J. Armengol; R. Merce; BARCELONA UNIV (SPAIN)
|
| Sau Reservoir was first filled in 1963 in a middle stretch of the Ter River, as part of a multi-use scheme, including hydroelectric power, agricultural irrigation, domestic and industrial water supply to metropolitan areas, and also recreational activities. Since it was built, the reservoir has experienced a process of increasing eutrophication (Vidal and Om 1993), from moderately eutrophic during the first years after filling, to severe eutrophication in the late ... |
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| Astrometric Positions and Proper Motions of 19 Radio Stars |
18 MAR 2003 |
21 pages |
| Authors:
D. A. Boboltz; A. L. Fey; K. J. Johnston; M. J. Claussen; C. De Vegt; NAVAL OBSERVATORY WASHINGTON DC
|
| We have used the Very Large Army linked with the Pie Town Very Long Baseline Array antenna to determine astrometric positions of 19 radio stars in the International Celestial Reference Frame (ICRF). The positions of these stars were directly linked to the positions of distant quasars though phase referencing observations. The positions of the ICRF quasars are known to 0.25 mas thus providing an absolute reference at the angular resolution ... |
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| Probabilistic Structured Query Methods |
FEB 2003 |
9 pages |
| Authors:
Kareem Darwish; Douglas W. Oard; MARYLAND UNIV COLLEGE PARK LANGUAGE AND MEDIA PROCESSING LAB
|
| Structured methods for query term replacement rely on separate estimates of term frequency and document frequency to compute the weight for each query term. This paper reviews prior work on structured query techniques and introduces three new variants that leverage estimates of replacement probabilities. Statistically significant improvements in retrieval effectiveness are demonstrated for cross-language retrieval and for retrieval based on optical character recognition when replacement probabilities are used to estimate ... |
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| Comparing User-assisted and Automatic Query Translation |
FEB 2003 |
17 pages |
| Authors:
Daqing He; Jianqiang Wang; Douglas W. Oard; Michael Nossal; MARYLAND UNIV COLLEGE PARK MD IACS LANGUAGE AND MEDIA PROCESSING LAB
|
| For the 2002 Cross-Language Evaluation Forum Interactive Track, the University of Maryland team focused on query formulation and reformulation. Twelve people performed a total of forty eight searches in the German document collection using English queries. Half of the searches were with user-assisted query translation, and half with fully automatic query translation. For the user-assisted query translation condition, participants were provided two types of cues about the meaning of each ... |
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| TDT-2002 Topic Tracking at Maryland: First Experiments with the Lemur Toolkit |
FEB 2003 |
8 pages |
| Authors:
Daqing He; Hyuk R. Park; G. C. Murray; Michael Subotin; Douglas W. Oard; MARYLAND UNIV COLLEGE PARK LANGUAGE AND MEDIA PROCESSING LAB
|
| The University of Maryland submitted six topic tracking runs for the 2002 Topic Detection and Tracking evaluation. Two runs were produced using the Lemur language modeling toolkit, the remaining four were produced using a separate system coded in Perl. The Lemur runs outperformed the Perl runs on the required condition because term frequency information was better handled. Two of the Perl runs used native Arabic orthography with two-best translation based ... |
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| Question Answering on a Case Insensitive Corpus |
2003 |
11 pages |
| Authors:
Wei Li; Rohini Srihari; Cheng Niu; Xiaoge Li; CYMFONY INC BUFFALO NY
|
| Most question answering (QA) systems rely on both keyword index and Named Entity (NE) tagging. The corpus from which the QA systems attempt to retrieve answers is usually mixed case text. However, there are numerous corpora that consist of case insensitive documents, e.g. speech recognition results. This paper presents a successful approach to QA on a case insensitive corpus, whereby a preprocessing module is designed to restore the case-sensitive form. ... |
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| Activity Detection for Information Access to Oral Communication |
2001 |
7 pages |
| Authors:
Klaus Ries; Alex Waibel; CARNEGIE-MELLON UNIV PITTSBURGH PA
|
| Oral communication is ubiquitous and carries important information yet it is also time consuming to document. Given the development of storage media and networks one could just record and store a conversation for documentation. The question is, however, how an interesting information piece would be found in a large database. Traditional information retrieval techniques use a histogram of keywords as the document representation but oral communication may offer additional indices ... |
|
| Defense Technical Information Center Thesaurus |
OCT 2000 |
802 pages |
| Authors:
John H. Dickert; DEFENSE TECHNICAL INFORMATION CENTER FORT BELVOIR VA
|
| The DTIC Thesaurus provides a basic multidisciplinary subject term vocabulary used by DTIC to index and retrieve scientific and technical information from its various data bases and to aid DTIC's users in their information storage and retrieval operations. It includes an alphabetical posting term display, a hierarchy display, and a Keyword Out of Context (KWOC) display. |
|
| A New MERIT Version for MPEG-2 Encoded Files |
SEP 2000 |
42 pages |
| Authors:
Alain Pagani; MARYLAND UNIV COLLEGE PARK CENTER FOR AUTOMATION RESEARCH
|
| The MPEG Encoded Retrieval and Indexation Toolkit (MERIT) performs video segmentation of MPEG files in the compressed domain, using an algorithm based on macroblock type statistics. It was written in C by V. Kobla in 1995 for his doctoral work at the University of Maryland. Kobla's code dealt with MPEG-1 files only. In this report, we update MERIT to analyze MPEG-2 files as well. We modify the file parsing process ... |
|
| Computerized Analysis of MR and Ultrasound Images of Breast Lesions |
JUL 2000 |
12 pages |
| Authors:
Maryellen Giger; CHICAGO UNIV IL
|
| Although general rules for the differentiation between benign and malignant mammographically identified breast lesions exist, considerable misclassification of lesions occurs with the current methods. The main goal of the proposed research is to develop noninvasive, computerized methods for analyzing ultrasound and MR (magnetic resonance) images of breast lesions to aid radiologists in their workup of suspect lesions. We currently have retrospectively collected over 400 ultrasound cases of mass lesions, all ... |
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| DNA and Protein Change in Human Breast Tissues by Diffuse Reflectance Spectrum |
JUL 2000 |
4 pages |
| Authors:
Yuanlong Yang; Edward J. Celmer; Jason A. Koutcher; P. P. Ho; R. R. Alfano; MEMORIAL SLOAN-KETTERING CANCER CENTER NEW YORK
|
| Breast tissues were investigated using diffuse reflectance spectroscopy to yield the absorption spectrum from Kubelka-%Munk Function (KMF). A specified spectral feature measured in adipose tissue was assigned to % carotene, which can be used to separate fat from other molecular components in breast tissues. The peaks of (KMF) at 260nm and 280nm were attributed to DNA and proteins. |
|
| TREC-8 Experiments at Maryland: CLIR, QA and Routing |
JUN 2000 |
16 pages |
| Authors:
Douglas W. Oard; Jianqiang Wang; Dekang Lin; Ian Soboroff; MARYLAND UNIV COLLEGE PARK LIBRARY SCHOOL
|
| The University of Maryland team participated in four aspects of TREC-8: the ad hoc retrieval task, the main task in the cross-language retrieval (CLIR) track, the question answering track, and the routing task in the filtering track. The CLIR method was based on Pirkola's method for Dictionary-based Query Translation, using freely available dictionaries. Broad-coverage parsing and rule-based matching was used for question answering. Routing was performed using Latent Semantic Indexing ... |
|
| Assessing Camouflage Methods Using Textural Features |
MAR 2000 |
10 pages |
| Authors:
Sten Nyberg; Klamer Schutte; DEFENCE RESEARCH ESTABLISHMENT LINKOEPING (SWEDEN) DIV OF COMMAND AND CONTROLWARFARE TECHNOLOGY
|
| Developments in the area of signature suppression make it progressively more difficult to recognize targets. In order to obtain a sufficient low degree of false alarms it is necessary to observe spatial and spectral properties. There is a genuine need to use spatial properties when analyzing the difference between a target area and a background area. This is more relevant today since modern signature suppression techniques have focused on the ... |
|
| TREC-9 Cross-Lingual Retrieval at BBN |
2000 |
11 pages |
| Authors:
Jinxi Xu; Ralph Weischedel; BBN TECHNOLOGIES CAMBRIDGE MA
|
| BBN participated only in the cross-language track at TREC-9. We extended the monolingual approach of Miller et al. (1999), which uses hidden Markov models (HMM), by incorporating translation probabilities from Chinese terms to English terms. In our approach, the IR system ranks documents by the probability that a Chinese document D is relevant given an English query Q, P(D is Rel |Q). Using Bayes Rule, and the fact that P(Q) ... |
|
| Bibliography on Cold Regions Science and Technology Volume 53, Part 2 |
DEC 1999 |
547 pages |
| Authors:
Roberta W. Goldblatt; Carl Minkus; COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH
|
| This companion issue to Volume 53, Part 1, contains author and subject headings for the volume. In the author index, principal and joint personal and corporate authors are listed along with the title, date, pagination, and language of the document and the accession number. The subject index is composed of four basic elements: 1) terms taken from a controlled vocabulary based on the Thesaurus ... |
|
| List of U.S. Army Research Institute Research and Technical Publications |
DEC 1999 |
33 pages |
| Authors:
Zita M. Simutis; Edgar M. Johnson; ARMY RESEARCH INST FOR THE BEHAVIORAL AND SOCIAL SCIENCES ALEXANDRIA VA
|
| The primary responsibility of the U.S. Army Research Institute for the Behavioral and Social Sciences (ARI) is to maximize soldier effectiveness. ARI accomplishes its mission through research and development in the acquisition, training, utilization, and retention of Army personnel. ARI research and products affect every Army mission with a human performance component. |
|
| Chemical Weapons Treaty Technologies Reference Collection - 1997 Supplement |
NOV 1999 |
216 pages |
| Authors:
Jeanne M. Rosser; CHEMICAL WARFARE/CHEMICAL BIOLOGICAL DEFENSE INFORMATION ANALYSIS CENTER EDGEWOOD MD
|
| The Chemical Weapons Treaty Technologies Reference Collection serves as a resource for government agencies and other investigators interested in CW treaty verification technologies. It includes an extensive array of documents from national and international sources including government research centers, laboratories, treaty organizations, universities, foundations, private industry, and the open literature. Two volumes of this reference collection were completed in March 1995. Volume 1 is a Bibliography ... |
|
| A Content Analysis of Police Suicide in the United States, Newspaper Articles: 1 January 1996-1 October 1998 |
27 JUL 1999 |
121 pages |
| Authors:
William C. Cannon Jr.; AIR FORCE INST OF TECH WRIGHT-PATTERSONAFB OH
|
| This study analyzed the content of newspaper articles reporting police suicides from 1 January 1996 through 1 October 1998. These articles were gathered from four databases: Newspaper Abstracts, New York Times, Data Times, and Westlaw (United States Newspapers). Over 200 local, regional, and national newspapers are included in these databases. The search terms were "police" and "suicide" in the first three databases and in Westlaw, the terms were defined as ... |
|
| Glossary of Stream Restoration Terms |
1999 |
17 pages |
| Authors:
Craig Fischenich; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Following is a glossary of terms commonly used in stream restoration. Not all of the terms appear in the Stream Restoration Technical Note series and the glossary is intended as a general reference. |
|
| Matching Conflicts: Functional Validation of Agents |
1999 |
7 pages |
| Authors:
George Cybenko; Guofei Jiang; THAYER SCHOOL OF ENGINEERING HANOVER NH
|
| In most working and proposed multi-agent systems, the problem of identifying and locating agents that can provide specific services is a major problem of concern. A broker or matchmaker service is often proposed as a solution. These systems use keywords drawn from application domain ontologies to specify agent services, usually framed within some sort of knowledge representation language. However, the authors believe that keywords and ontologies cannot be defined and ... |
|
| Automatic Text Detection and Tracking in Digital Video |
DEC 1998 |
41 pages |
| Authors:
Huiping Li; David Doermann; Omid Kia; MARYLAND UNIV COLLEGE PARK INST FOR ADVANCED COMPUTER STUDIES
|
| Text which either appears in a scene or is graphically added to video can provide an important supplemental source of index information as well as clues for decoding the video's structure and for classification. In this paper we present algorithms for detecting and tracking text components that appear within digital video frames. Our system implements a scale-space feature extractor that feeds an artificial neural processor to extract textual regions and ... |
|
| Browsing, Discovery and Search in Large Distributed Databases of Complex and Scanned Documents |
09 JUL 1998 |
11 pages |
| Authors:
W. Bruce Croft; MASSACHUSETTS UNIV AMHERST
|
| This project aims to integrate powerful, new techniques for interactive browsing, discovery, and retrieval in very large, distributed databases of complex and scanned documents. Emphasis is placed on going beyond full text retrieval techniques developed in the DARPA TIPSTER program to support different types of access and non-textual content. These techniques should be particularly relevant to the patent domain where it is important to find relationships between documents and where ... |
|
| Toxicity of Military Unique Compounds in Aquatic Organisms: An Annotated Bibliography (Studies Published Through 1996) |
APR 1998 |
94 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This report contains information on the effects of military unique compounds on aquatic organisms. Over 100 published studies were assimilated from various on-line databases. For each study a full citation, followed by a complete abstract, database accession number, and keyword list, is provided. An alphabetized appendix containing hundreds of military-related keywords, along with corresponding authors' names, is included. |
|
| Large River Sediment Transport and Deposition: An Annotated Bibliography |
APR 1998 |
89 pages |
| Authors:
Henry C. DeHaan; SAINT MARY'S UNIV OF MINNESOTA WINONA RESOURCE STUDIES CENTER
|
| The Upper Mississippi River System (UMIS) has been dramatically altered by changing land use and management practices within its basin. One consequence of these changes is the severe environmental problem of increased sedimentation in river backwater areas. The Long Term Resource Monitoring Program is addressing this problem by expanding and initiating new research of sediment movement in the UMRS. As part of its new research, this annotated bibliography was generated ... |
|
| NAC: An Adaptive Case-Based Reasoning Tool for Experimenting with Retrieval and Indexing |
13 MAR 1998 |
21 pages |
| Authors:
LiWu Chang; Patrick R. Harrison; Laura C. Davis; NAVAL RESEARCH LAB WASHINGTON DC CENTER FOR APPLIED RESEARCH AND ARTIFICIAL INTELLIGENCE
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| NAC is a testbed for experimenting with concepts of retrieval and indexing in Case-Based Reasoning (CBR). The paper describes similarity functions and decision functions used for retrieval as well as methods for re-indexing and case organization. The paper also describes methods for weighting attributes, analyzing their dependence and evaluating the importance index of a single stored case. Two examples of how to use NAC are provided. Methods ... |
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