Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
Contractors, commercial and business decision-makers need economical information to drive their decisions. The production and distribution of a press review about French regional economic actors represents a tool for prospecting partners and competitors for the businessman. Our goal is to propose a customized review for each user, thus reducing the overload of useless information. Several news recommendation...
This paper describes the Semantic Indexing feature introduced in Oracle Database for indexing unstructured text (document) columns. This capability enables searching for concepts (such as people, places, organizations, and events), in addition to words or phrases, with further options for sense disambiguation and term expansion by consulting knowledge captured in OWL/RDF ontologies. The distinguishing...
The traditional keyword searching mechanism has been unable to meet the needs of current expert knowledge base in searching based on semantic. Considering that the current indexing mechanism in the administration in the area of political affairs vocabulary knowledge management is lack of the ability of query reasoning, this paper combines with the optimizing B+ tree index and inverted index, and proposes...
Current expectations from nowadays information retrieval systems (IRS) have grown beyond the “document contains these terms” requirement that was considered common sense 10–15 years ago. Nowadays systems are expected to return results that are relevant to the intended meaning of the query. In the general IRS usage scenario, the user is not really interested if the returned documents contain or not...
This paper is concerning issues regarding the semantic indexing of resources in a peer to peer network. An important requirement is a good quality of the discovery, i.e. the selection of results very related to a specific request. Keys used for indexing and the corresponding urls of indexed resources are stored in a distributed hash table scattered among the different peers of a community. A key is...
We research ontological indexing and querying as a solution for getting better results in information retrieval, which translates in getting the most relevant documents meeting a query. While most of the research in this field focuses on query reformulation and document representation methods, we focused our research on an ontology-based query guidance system (our proposed OntoSense engine &...
Existing search and content management technology is facing a challenge of locating desired content with the exponentially growing volume of documents. An approach for mitigating this issue is to make use of user-generated tags. However, the improvements are limited because tags are (1) free from context and form, (2) user generated, (3) used for purposes other than description, and (4) often ambiguous...
To better understand the authors and studies in IEEE Intelligent Systems, the authors conducted a bibliographic study on its publications. Specifically, they focus on the most productive and highly cited authors and institutions in IS, the authors and institutions most cited in IS, and the journals and institutions that cited IS articles the most.
Ontology is one of the most important components of semantic based information systems which provides context to the document. Ontology enables us to define relationship between different terminologies from diverse domains. To interpret this information and perform reasoning we require to store Ontologies in a way that retrieval becomes easy. Ontologies are defined using OWL (Web ontology language)...
The process of writing a resume is a task where the notion of background knowledge plays an important role. A typical resume contains several interrelated and implicit information. The use of domain ontologies and semantic technologies provides a valuable help to point out such interrelations and to make explicit the implicit knowledge. We present a system to automatically produce a semantically annotated...
The enormous volume of visual content available from cameras and from recordings stored in data centres and the phenomenal number of users presents a major challenge to the research community. This major challenge is the use of adaptive techniques for personalised retrieval and filtering mechanisms in order to find relevant visual content appropriate to individual needs but without overloading users...
Image captions represent manual semantic annotation of images. These act as essential cues to represent the semantics of an image. This paper describes the process of representing, discovering, storing the semantics in a knowledge base, and then applying the semantics to aid the retrieval of visual information. We exploit a Natural Language Processing (NLP) framework in order to extract the knowledge...
Semantic information has been paid much attention in web IR. Although many researches have improved the retrieval performance by employing WordNet synset and concept, relations between concepts are often ignored by most of the semantic retrieval methods. We propose a relation enhanced concept vector model CRVM(concept-relation vector model) for document representation in this paper, and the documents...
Advanced manufacturing and network technologies have impacted on every aspect of product development significantly. Meanwhile, the increasing product complexity and globalization manufacturing bring manufacturing enterprise to adapt advance manufacturing mode and some digital technology for satisfying new requirement. In order to satisfy the production development requirements, a lot of precious manufacturing...
This paper describes a video annotation and querying system which is capable of semi-automatic annotation of videos from text. The extracted metadata is aligned with the corresponding video segments. This allows users to query videos according to their semantic content. We have chosen soccer domain to demonstrate the use of the system. The soccer videos are very suitable for our framework, since it...
The increasing number of available resources that may be used during e-learning scenarios can show problems of access, management and sharing of these resources. An e-learning application deals with the same problem of relevance to the Web. The semantic Web recommends standards for providing a solution to these issues. One main feature of this new Web generation is the use of semantics based on ontologies...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.