Now showing items 17825-17844 of 24016

    • Query expansion with terms selected using lexical cohesion analysis of documents 

      Vechtomova, O.; Karamuftuoglu, M. (Elsevier Ltd, 2007-07)
      We present new methods of query expansion using terms that form lexical cohesive links between the contexts of distinct query terms in documents (i.e., words surrounding the query terms in text). The link-forming terms ...
    • Query forwarding in geographically distributed search engines 

      Cambazoglu, B.B.; Varol, Emre; Kayaaslan, Enver; Aykanat, Cevdet; Baeza-Yates, R. (ACM, 2010)
      Query forwarding is an important technique for preserving the result quality in distributed search engines where the index is geographically partitioned over multiple search sites. The key component in query forwarding is ...
    • A query model and an object algebra for object-oriented databases 

      Al- Hajj, Reda (Bilkent University, 1993)
      A query model is an important component of any database system. In this sense, the relational model has a well defined underlying query model. On the other hand, a well defined query model for object-oriented databases ...
    • Query model for object-oriented databases 

      Alhajj, Reda; Arkun, M. Erol (IEEE, 1993-04)
      A query language should be a part of any database system. While the relational model has a well defined underlying query model, the object-oriented database systems have been criticized for not having such a query model. ...
    • Query processing for an MPEG-7 compliant video database 

      Çam, Hayati (Bilkent University, 2008)
      Based on the recent advancements in multimedia, communication, and storage technologies, the amount of audio-visual content stored is increased dramatically. The need to organize and access the growing multimedia content ...
    • Query Processing in Context - Oriented Retrieval of Information 

      Saygin, A.P.; Yavuz, T. (1998)
      This paper proposes a context-oriented approach towards document retrieval and presents the query processing component of the retrieval process in detail. Our approach differs from the existing ones by its use of word sense ...
    • Query-log aware replicated declustering 

      Turk, A.; Oktay, K. Y.; Aykanat, Cevdet (Institute of Electrical and Electronics Engineers, 2013)
      Data declustering and replication can be used to reduce I/O times related with processing of data intensive queries. Declustering parallelizes the query retrieval process by distributing the data items requested by queries ...
    • Querying web metadata: Native score management and text support in databases 

      Özsoyoǧlu, G.; Altingövde, I. S.; Al-Hamdani, A.; Özel, S. A.; Ulusoy, Özgür; Özsoyoǧlu, Z. M. (Association for Computing Machinery, 2004)
      In this article, we discuss the issues involved in adding a native score management system to object-relational databases, to be used in querying Web metadata (that describes the semantic content of Web resources). The Web ...
    • The quest for new muslim politics: Turkey since the 1990s 

      Usluer, Ayşe Sözen (Bilkent University, 2016-11)
      This dissertation studies how modern Muslim individuals have changed the trajectory of political Islam in Turkey since the 1990s. This multi-case study, through a sample of students, entrepreneurs, and women, aims at ...
    • The quest for security: Soviet Union's demands from Turkey, 1945-1946 

      Lika, Idlir (Bilkent University, 2015)
      Starting with March 1945, Soviet Union launched an intense anti-Turkish propaganda and war of nerves, confronting Ankara with strategic demands, such as jointly administering Straits’ defense, requesting land/naval bases ...
    • The question of reforms in eastern Anatolia after the congress of Berlin 1878-1885 (Anadolu Islahati) 

      Ilıcak, H. Şükrü (Bilkent University, 1996)
      For the period of 1878-1885, "Anatolian Reform" (Anadolu Islahati) can be defined as the process of British efforts to make the Ottoman government introduce administrative reforms in its eastern provinces for the benefit ...
    • Questioning teletechnologies : a study on the notion of inheritance in Derrida 

      Berksun, Fırat (Bilkent University, 2009)
      This  study  aims  to  trace  the  perspective  on  media  and  technology  in  Jacques  Derrida’s  thought. For  this purpose, a discussion of  the notion of inheritance is  presented. This notion marks essential them ...
    • A questionnaire: University students and proverbs 

      Uçar, A.; Aygün, A. (2005)
      Results of the questionnaire in regard to proverbs, which has been done in April 2005 with the participation 84 university students, have been evaluated in two respects. Firstly, proverbs which are the products of oral ...
    • Queue management for two-user cognitive radio with delay-constrained primary user 

      Mehr, K. A.; Niya, J. M.; Akar, N. (Elsevier B.V., 2018)
      In this paper, two novel Queue Management Policies (QMP) are proposed for Quality of Service (QoS) enhancement of a two-user Cognitive Radio Network (CRN) comprising a Primary User (PU) and Secondary User (SU), the latter ...
    • Queueing theory 

      Gürler, Ülkü; Berk, Emre (CRC Press, 2016)
      Queueing theory is concerned with the quantitative modeling of dynamic systems that generate waiting lines, and the analysis of the behavior of such systems in the short and long time spans. In this chapter, we present a ...
    • Queuing analysis of the energy-delay trade-off in wireless networks 

      Gamgam, Ege Orkun (Bilkent University, 2018-09)
      Energy-efficiency of wireless communication systems has been an important research topic in recent years. For such a system, a transmission profile is described by the transmission power and the modulation and coding ...
    • Quinoides and VEGFR2 TKIs influence the fate of hepatocellular carcinoma and its cancer stem cells 

      Kahraman, D. C.; Hanquet, G.; Jeanmart, L.; Lanners, S.; Šramel, P.; Boháč, A.; Cetin-Atalay, R. (Royal Society of Chemistry, 2017)
      Bioactivities of quinoides 1–5 and VEGFR2 TKIs 6–10 in hepatocellular cancer (HCC) and cancer stem cells (HCSCs) were studied. The compounds exhibited IC50 values in μM concentrations in HCC cells. Quinoide 3 was able to ...
    • Quiz shows and Turkish television: a study of visual impact and social structure 

      Gürkan, Önder (Bilkent University, 1994)
      The aim of the study is to define the specific visual and social environment which builds up the popularity of television quiz shows in Turkey. The visual structures of the quiz shows, the symbols within them and the ...
    • The R-matrix approach to integrable systems on time scales 

      Błaszak, M.; Silindir, B.; Szablikowski, B. M. (lInstitute of Physics Publishing Ltd., 2008)
      A general unifying framework for integrable soliton-like systems on time scales is introduced. The R-matrix formalism is applied to the algebra of δ-differential operators in terms of which one can construct an infinite ...
    • R.E. Kalman: A great human being 

      Özgüler, A.B. (2010)
      I came to know about Prof. Kalman through a Turkish post-doc of his during my M.Sc. studies at Middle East Technical University. When I learned that I was accepted to carry on my doctoral studies under his supervision, I ...