نتایج جستجو برای: search protocols
تعداد نتایج: 391475 فیلتر نتایج به سال:
SRW/U (the Search/Retrieve Webservice) and OAI (Open Archives Initiative) are both modern information retrieval protocols developed by distinct groups from different backgrounds at around the same time. This article sets out to briefly contrast the two protocols' aims and approaches, and then to look at some novel ways in which they have been or may be usefully co-implemented. While using SRW a...
On Crypto ’88, Matsumoto, Kato, and Imai presented protocols to speed up secret computations with insecure auxiliary devices. The two most important protocols enable a smart card to compute the secret RSA operation faster with the help of a server that is not necessarily trusted by the card holder. It was stated that if RSA is secure, the protocols could only be broken by exhaustive search in c...
The evaluation of a personalized search systems aims at measuring its performance. Traditional laboratory-based evaluation of the information retrieval systems is challenged because of its lack of user evidence expressing his search context in the data test sets. In this paper, we present evaluation protocols of personalized search system based on enhancing TREC collections with simulated conte...
Many protocols need a discovery mechanism to enable a given node to locate one or several nodes involved in the same communication. However, there is no protocol ready to fulfill this service at the network-layer. Every protocol usually implements its own solution. In particular, multicast protocols often use a searching technique based on an algorithm called expanding ring search. This algorit...
Quantum key agreement is an important topic that the shared key must be negotiated equally by all participants, and any nontrivial subset of participants cannot fully determine the shared key. To date, the embed modes of subkey in all the previously proposed quantum key agreement protocols are based on either BB84 or entangled states. The research of the quantum key agreement protocol based on ...
The Stanford InfoBus is a prototype infrastructure developed as part of the Stanford Digital Libraries Project to extend the current Internet protocols with a suite of higherlevel information management protocols. This paper surveys the five service layers provided by the Stanford InfoBus: protocols for managing items and collections (DLIOP), metadata (SMA), search (STARTS), payment (UPAI), and...
The Stanford InfoBus is a prototype infrastructure developed as part of the Stanford Digital Libraries Project to extend the current Internet protocols with a suite of higherlevel information management protocols. This paper surveys the five service layers provided by the Stanford InfoBus: protocols for managing items and collections (DLIOP), metadata (SMA), search (STARTS), payment (UPAI), and...
In this paper we cryptanalyze two protocols: GrigorievShpilrain authentication protocol and Wang et al. public key encryption protocols that use computational hardness of some variations of the conjugacy search problem in noncommutative monoids. We devise a practical heuristic algorithm solving those problems. As a conclusion we claim that these protocols are insecure for the proposed parameter...
Protocol security is important. So are efficiency and cost. This paper provides an early framework for handling such aspects in a uniform way based on combinatorial optimisation techniques. The belief logic of Burrows, Abadi and Needham (BAN logic) is viewed as both a specification and proof system and as a ‘protocol programming language’. The paper shows how simulated annealing and genetic alg...
Purpose – This paper aims to address the privacy problem associated with the use of internet search engines. The purpose of the paper is to propose and validate a set of methods and protocols to guarantee the privacy of users’ queries. Design/methodology/approach – In this paper h(k)-private information retrieval (h(k)-PIR) is defined as a practical compromise between computational efficiency a...
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