[PDF] Top 20 Result merging for efficient distributed information retrieval

... in Distributed Web search, it is likely that: many search engines will have some collection overlap, that their collection size may vary widely, that there is more variety in the IR-models used, that there are ... See full document

... in distributed in- formation retrieval, in which four aspects are considered: document’s relevance to a given query, query time, query expense, and similar- ity between ...more efficient im- ... See full document

... the result set that he wants to ...relevant information on many subjects will flourish with an aggressive strategy, as it will answer many queries ... See full document

... Information Retrieval (IR) in general is a well researched ...papers information retieval is not as much researched domain and it has some specifics which requires it to be considered ... See full document

... existing information brokering systems suffer from a spectrum of vulnerabilities associated with user privacy, data privacy, and metadata ...is efficient and ... See full document

... Document clustering is the subset of data clustering, which comprises the concepts from the fields of information retrieval, natural language processing, and machine learning. It organizes the collection of ... See full document

... of information retrieval in web search engine ...selected result and number of times the user made the click on that particular ...Search result is optimized by re-ranking the result ... See full document

... request vector and then performing (n − 1) · k l additions to obtain the final sum. The computational complexity of this scheme is O(n · l · M (k) + (n − 1) · l · A(k), where M (k) is the cost of performing one scalar ... See full document

... In distributed information retrieval -also called federated search or metasearch- a broker sends a query to multiple search engines at the same ...single result list. Distributed search ... See full document

... A data warehouse is a system with its own database. It retrieves the data from the various heterogeneous sources and it is supported for query and analysis. To facilitate data retrieval for analytical processing, ... See full document

... B13 document collection was generated can be found in Lidah et al. [28] and in Zuccon et al. [29]. This standard index had query expansion disabled. To perform collection enrichment, three differ- ent indexes (external ... See full document

... The proposed system consists of six main modules. A database consisting of scanned images is stored and the result is retrieved based on the user query. Before displaying the final result the scanned image ... See full document

... Efficient shuffling algorithm. Our approach employs preprocess- ing, as any PIR protocol with query response time less than O(N) must do. The preprocessing, in our case, consists of shuffling the database using a ... See full document

... This phase is to collect relevant information to instantiate the user's profile. We focus on user interactions with the system. Indeed, the system saves in the log files the historic of user interactions, namely ... See full document

... The server selection experiment uses pages from 956 real Web servers, three dif- ferent retrieval systems and TREC ad hoc topics. Results show that a broker using queries to sample servers’ documents can perform ... See full document

... Information Retrieval (IR) is the field of computer science that deals with the storage, searching, and retrieving of the documents that satisfy the user ...need. Distributed Arabic ... See full document

... (Berger 1999)Text classification is the key technique in the data mining (DM) and information retrieval (IR) field and it has got a lot of attention from the research community in the current decades. ... See full document

... of result (precision) for a significant energy ...achieves efficient in-network storage and processing by allowing a unified mechanism between query routing (networking)and query processing ... See full document

... relevance information that is missing in the limited query terms for making informed ...with result titles and snippets individually, and the scores are aggregated to compute the ... See full document

... Sanderson, M. and Crestani, F. (1998) Mixing and merging for spoken document retrieval. In: Research and Advanced Technology for Digital Libraries. Second European Conference, ECDL'98, Heraklion, Crete, ... See full document