Báo cáo khoa học: "Multiple Underlying Systems: Translating User Requests into Programs to Produce Answers" potx

... Multiple Underlying Systems: Translating User Requests into Programs to Produce Answers Robert J. Bobrow, Philip Resnik, Ralph M. Weischedel BBN Systems and Technologies Corporation 10 Moulton ... enabling the user to state information needs without specifying how to decompose those needs into a program calling the various underlying systems required to meet...

Ngày tải lên: 31/03/2014, 18:20

... nat~yoko.rutgers.edu Janyce M. Wiebe Department of Computer Science University of Toronto Toronto, Canada M5S 1A4 wiebe~cs.toronto.edu Abstract Machine translation of locative prepositions is not straightforward, ... as follows: section 2 presents an analysis of and a solution to the problem of translating locative prepositions from English into French, section 3 presents t...

Ngày tải lên: 20/02/2014, 21:20

... inhibitors having these dual effects therefore need to be designed. A few such inhibitors are already being tested in laboratories; however, further research is needed in this area. In addition to ... contribute to tumor regression. Therefore, factors that contribute to telomere stability may influence the efficiency of the drugs that have potential in cancer therapy. These factors in re...

Ngày tải lên: 17/03/2014, 09:20

... products were cloned into a pTOPO Blunt vector (Invitrogen) and sequenced (pTOPO ⁄ hhipro 1 & 2, pTOPO ⁄ hhipro 3). The DNA fragments were sub- cloned into a pGL3-basic vector (Promega) between ... an automatic DNA sequencer (DSQ-1000, Shimadzu, Kyoto, Japan) after cloning into pGEM-T Easy vector (Promega, Madison, WI). Sequence analysis was performed with gen- etyx software (Genety...

Ngày tải lên: 19/02/2014, 06:20

... infor- mation common to a set of words, together with links to other more general 'superc]asses'. For ex- ample, if an 'intransitive' class is used to express the common ... structures, but adds no information to the sec- ond. The absence of contradictory specifications permits the equations in the main set of verb to apply, in addition to those in the...

Ngày tải lên: 20/02/2014, 21:20

... activities but is not cytotoxic, the cytotoxicity of LF-1 to LF-4 is probably associated with their DNase and/ or RNase activities. DNA of tumor cell lines L929 and HL-60 exposed to fraction LF-1 (peak ... molecules, and may also contain substances bioactive toward host cells; for example, it is cytotoxic to human cancer cells [40] because of induction of apoptosis by multimeric a-lacta...

Ngày tải lên: 21/02/2014, 00:20

... electronics store in California had the habit of leaving out floor models of laptops beyond the point where any were actually available for sale. (Perhaps to entice the unwitting customer into an “upsale”, ... recognition to identify the intended speech acts and their content, planning the system's actions to respond to the user (or that take initiative), and providing uttera...

Ngày tải lên: 08/03/2014, 04:22

... low concentrations of GdnHCl may be due to either an increase in the Nile red binding to HSA or due to an increase in the quantum yield of the HSA-bound Nile red. To discern the possibilities, the ... fluorescence was monitored. During refolding process, the fluorescence intensity of Nile red Fig. 4. Kinetics of HSA refolding monitored by tryptophan fluorescence. (A) Tryptophan spectra o...

Ngày tải lên: 16/03/2014, 16:20

... used to monitor mitochondrial membrane potential in situ, showed both inhibitory effects on respir- atory complex I and PT-inducing e ffects on isolated mitochondria [12]. These results seem to ... electron microscope model H-800MT. Release of mitochondrial cytochrome c To assess whether cytochrome c is released from mitochon- dria, we t reated mitochondria with DiS-C 3 (5)inanoxygen ch...

Ngày tải lên: 16/03/2014, 18:20

... drawn upon Prolog's list notation. To carry this fur- ther, we can consider the link operator 'co' to be equivalent to the ',' separator in a list, such that for all [ ... might implement attachment principles to account for human preferences, see Crocker [4] for discussion. The top-level of the PS interpreter is broken down into three possible cases....

Ngày tải lên: 18/03/2014, 02:20