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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教$ v% @! S) J4 C9 S
globals[, n( |: X6 m& `% J R; ~" A4 b
xmax4 Y" u5 j; _6 i/ v3 c V
ymax* [0 U% i5 G0 L& r5 v
global-reputation-list
5 n. r. q" Q( A; g1 ~4 o
: X, \9 k+ E& b {+ K;;每一个turtle的全局声誉都存在此LIST中
' X: ?8 `$ {- T, P7 bcredibility-list0 n. q! Q ?# w
;;每一个turtle的评价可信度
5 ?: K8 t7 h$ ?6 ehonest-service
* B: y) x6 D( ~# s+ lunhonest-service
9 b' [( k/ f: {oscillation8 e8 P* E* h! D& Q% O5 m6 v d5 \) L
rand-dynamic
. q# G% B1 S+ u; o1 K3 d! X]
$ X7 L& E( O6 z, k2 y6 j" [8 H* P, P, e
turtles-own[$ ]4 m2 k9 v0 I0 m0 {" j
trade-record-all
/ A3 r; S a$ A;;a list of lists,由trade-record-one组成 G' j, x& Q" R
trade-record-one
0 c5 \. O% k$ _+ `( _;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 K! p+ _$ f0 Y/ M y
8 ?/ K. t* m, Y;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
" w0 w. y8 ~* qtrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
* y* e- }% I0 X' V2 Lcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list$ _6 i$ g& m, f$ [3 n l9 c
neighbor-total5 o5 q; Q1 v( p0 s& t9 t
;;记录该turtle的邻居节点的数目8 G- R8 b1 B1 N+ R8 A5 t
trade-time* L. g$ M* _" c( {. A6 \) K8 O% L7 i
;;当前发生交易的turtle的交易时间
. u3 O. W# L p2 H" T: R; ~! Lappraise-give
; f; Z, y* \8 o7 N; Q4 e;;当前发生交易时给出的评价
) s( N* W: L1 L3 R) [3 v/ }. xappraise-receive2 @0 W; C( a5 S: s2 R3 R
;;当前发生交易时收到的评价
2 y6 h" o C, z' uappraise-time7 U" l: k1 h0 ?7 o2 J: y& G
;;当前发生交易时的评价时间* ^& ^# |& S% \& E+ M) R+ b& R+ K
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 w. S- }" H6 a0 t1 G0 Y9 g6 Gtrade-times-total# W' C% p$ A; |7 |/ G
;;与当前turtle的交易总次数* u; G$ c+ {* ] t" w' g/ o Y
trade-money-total
1 g! [: e5 @ Z. @* f0 Y;;与当前turtle的交易总金额
! l, e1 I8 p: h* n9 olocal-reputation
) b# j$ y' D# l4 r" gglobal-reputation, S, O6 ]# R1 Y6 {9 k' e
credibility
0 l+ d. I3 s. q* G% m* j* V+ z;;评价可信度,每次交易后都需要更新
- W+ c2 D X6 pcredibility-all
3 i: k, K2 N3 w; Q;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据; A9 a& \+ X# ]+ y, v5 r3 M! n( `
7 B1 V/ |9 B" o* ^' G4 a9 B# s
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.58 O9 D3 C% z5 @* z6 H( K+ ~1 R
credibility-one
* o+ e2 Y3 y9 z3 b7 V;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
2 Q4 D( S% d% V& G$ Y, B: Iglobal-proportion
/ A0 Y' z) J, A$ dcustomer4 t: ^$ D' S' }, b$ E
customer-no# W/ `9 O! Y+ N" e) i+ g+ d
trust-ok, g- V' v. p' W- k, q0 L1 [% Q
trade-record-one-len;;trade-record-one的长度
, t8 h8 E; E# g7 q( v1 m2 w) e]$ Z6 _, E) o4 Q$ A( r! }: A
. t& i: v/ Z C: P;;setup procedure9 S* W9 E5 X! u; \6 _
5 R H$ |3 ~8 ~5 T- p
to setup
! O y$ p: T$ o: h- ]0 I! S) @5 m/ R' H: l5 X& w0 z! \3 m
ca
3 M6 ]1 @5 B7 e u/ h
K9 h; ` i8 V$ T C1 ^2 b. h4 X6 dinitialize-settings
; c5 b- d* _1 v3 ]) F4 Z2 g
4 k G% H) M- u0 `$ Bcrt people [setup-turtles]& V7 U2 T5 y) e* Y! `4 }% U
8 ~$ n$ E- r! G% Preset-timer4 h* p5 c" X$ @# A4 T, U
: W. B8 T( s, S
poll-class
/ Y$ u1 b3 W9 j6 @# R$ J+ Q( R; P) B" q4 s$ G3 @. w; z
setup-plots! h( i/ @5 b# g. E0 N; D
/ j# e# B K! y5 }1 P I4 Bdo-plots
9 y' o% Y! N! F9 A6 u8 j* q# Qend, Y/ I/ F$ X0 Q" k2 w
% E& W7 l: w, r/ _# j: `; T! Ito initialize-settings& Y3 e$ o/ R& {# L H7 G
( c; e. Z' a+ W* v5 V6 r/ G( h8 g Zset global-reputation-list []
1 w$ u( S% f/ A1 I
3 z# m- S% S' Vset credibility-list n-values people [0.5] o5 D" m- i* L, g* ]% N6 m& `
7 F% Y9 j/ C/ K4 J! l+ y; y6 z. @set honest-service 05 m$ t8 E, m' [: @. l" `' u
& i5 Z# l7 b/ |- |3 B
set unhonest-service 0
' j3 v; u4 U, C
$ M6 T: r) e. V2 \; V: ?+ r" t( hset oscillation 0
5 i0 \2 \6 y: p+ f+ ~
" U) g: D, S5 V# m* I K* Tset rand-dynamic 0+ a' a( A O+ X
end
& B, \/ J) t; W; {' I$ u7 A# Y: @0 H
to setup-turtles ( u' Z) ~3 }. i6 M& `. U
set shape "person"
' a9 I: e7 c1 i- psetxy random-xcor random-ycor
" y# j8 C8 l$ F' Z( j" jset trade-record-one []; x) `# z D8 D
' W7 x+ ]0 v) W! Iset trade-record-all n-values people [(list (? + 1) 0 0)]
" `0 D5 u/ Q0 w6 ]/ l& W: U/ S9 r! ?1 T
set trade-record-current []
2 P4 N/ s8 ~0 Fset credibility-receive []
# ?9 t( ~- U( U( L" h* Kset local-reputation 0.5) A; v6 q2 Y" e
set neighbor-total 0
- X9 q4 v$ a$ j0 h" a- ]+ Q+ D& ^set trade-times-total 0
/ `; \4 x# Q. f! B, Pset trade-money-total 0
4 P! T0 q9 G5 Y; A8 o w# w. qset customer nobody
& h3 T/ y6 @. z$ _/ uset credibility-all n-values people [creat-credibility]
+ v1 w0 Q4 S0 N" l2 D$ a9 P+ r% t; ^set credibility n-values people [-1]
7 X% M3 K0 v$ q9 f" U) @4 eget-color" O; I% _& @+ o7 v# }& N% Q
* s1 k# E( n/ J" [7 Z
end
9 M# N" y* F+ Y) p' V. a; V% f1 T* `& v [3 _
to-report creat-credibility, L4 \: t% V6 I$ ?* F# [6 T% `' S
report n-values people [0.5]6 |* w j& [" k n, ]; L: s
end+ ~0 q( M) _) u9 u5 V
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to setup-plots
/ S# A; v! _/ _6 M; U
9 q. o( Y# v- W& v# `, p/ Hset xmax 30
2 J4 S6 S- \& S: B1 W% E! [3 @6 O2 G( }1 P6 y
set ymax 1.0
# i7 Z3 k: p7 e7 g+ P! z7 y: Y ~' c6 d' J6 W- n
clear-all-plots
# k2 ^9 \) C6 @& K1 R" ~2 k
( @! {0 l$ ?% wsetup-plot12 W4 N2 B5 U" x& J1 Z
4 _ i8 O- }4 \" P0 T$ w+ \. b
setup-plot29 p" B+ `2 U7 g% Y
. z. r3 F% J+ i9 vsetup-plot3
, L2 X6 N" R4 |3 }; n7 lend2 B; i( {( h7 R# r4 U
* j7 l1 F; d7 J$ }
;;run time procedures
/ C5 M" G5 ?0 F: T( y
( g2 c- R! Z4 W9 fto go( l- g( [" v3 i
, t: V" J7 E2 M$ yask turtles [do-business]9 f, t; c2 u; C5 r9 ?
end2 D; d, f S$ ?
5 X* b K* w, p1 W0 Tto do-business 3 L# O. Y5 R/ [& h" N
. J. W* w+ U1 Z8 n: L7 I' }3 I; ?3 r$ }* U/ n( L$ g$ w
rt random 360
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! i' w) a. c- s { E9 Cfd 1* k% J# R6 ~# u( F" I
$ _& X0 L( S# D! i! b) R' j
ifelse(other turtles-here != nobody)[6 |7 [7 g3 p. f- o: s. N
# t$ g& G: Q/ e
set customer one-of other turtles-here
: `. X/ z8 M# L3 Q
7 x( [* z; @% ?& A( a;; set [customer] of customer myself( H3 [ @3 ~, z+ A( o
: d8 \% j7 |# M, yset [trade-record-one] of self item (([who] of customer) - 1)4 D/ [8 _0 M6 d
[trade-record-all]of self
{+ Y+ y4 d% G& Q) p;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
* c: P& @9 X* j& h- e
, ~7 U1 d- b% Z) `8 W0 j, v* lset [trade-record-one] of customer item (([who] of self) - 1)6 j8 P8 T1 H: `0 h% o
[trade-record-all]of customer2 m0 U3 x$ g/ V1 L$ _
% h& Q! _' |9 P. K7 j4 [) ?3 a+ s& r
set [trade-record-one-len] of self length [trade-record-one] of self$ f' M+ [4 b. w$ Q+ ?# _0 C
$ e* _0 D! v5 G: a( Eset trade-record-current( list (timer) (random money-upper-limit))+ P5 ^* g1 s/ J7 N' _( e0 _
. @0 b8 ^+ j' z( `- G2 J
ask self [do-trust]
" A# G( h0 t* k( i% }: U/ v0 U;;先求i对j的信任度2 g8 y& G2 W5 @ f" |& Z6 }- }( O4 l
: K1 f% N0 i5 ^* k3 }9 v/ X/ K, A
if ([trust-ok] of self)2 K- d+ K/ }9 J
;;根据i对j的信任度来决定是否与j进行交易[; b) B6 _4 F" K
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
( P3 t; W% ? X8 `) t
5 d+ `* l( t! B[' M+ I, M! |4 u" r: ]
! d; S/ T+ N% X5 c5 ?do-trade
. z- |7 J7 }$ ^- Y9 a' D1 h2 o& {% g5 d7 i# r, Q
update-credibility-ijl
! [; h! Y1 X: S- O6 j* g) }5 |7 Z5 \' b
update-credibility-list
, s2 s3 l" l8 T' Y
$ u a: A- {2 c" \/ ^7 ~0 V9 d: {( |9 u
update-global-reputation-list: O( n/ j1 O) U& {4 n
! b! S' O2 n" wpoll-class
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get-color9 B. T, h6 }, ^6 u, B1 C% p4 c6 p! {
5 v2 p9 l7 e& g% O
]]7 ?. }* ]- D$ N
9 R& l) h T1 L# F/ O% @ T;;如果所得的信任度满足条件,则进行交易" u' K2 y! t# k& ]% p8 Y
# e8 ^! u' [4 @, [7 [9 P" o( ~[6 j \0 r/ W# T# z0 E; l* b
$ u4 C( t0 _5 @" V. K0 b8 F
rt random 360
1 c0 O# ]% y4 z9 R; I
5 ~1 L5 F. H; L2 p3 B7 e% z# \fd 1
/ L/ d9 f( D z4 n3 d4 H+ b( u8 `2 `
]' \ j5 H, u9 A
7 }) K4 m" i0 |end3 A4 n/ n4 w6 u/ \
7 J( G5 i1 |5 M x& Z/ eto do-trust
8 j" {8 k. m* Q3 g0 X2 o) wset trust-ok False
3 E# C- h3 ?4 z5 U3 W8 K2 {7 w* \- e1 |$ _1 z
7 D$ R8 F9 x& X7 v2 W" G- d) }let max-trade-times 0
3 U0 m! h: {5 x# Y$ Gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ |: U) U# J9 o. C, r& _let max-trade-money 0* ^' x- X# {% P0 y; o
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) |0 o8 K* i, o$ ]" B% elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 r& V- ?- p1 V. t, A; Z: q) y
# P, d u$ ^8 x
. `4 s7 P; k! V3 m# q" T6 sget-global-proportion& z" D- q3 V; t* b! v/ t
let trust-value3 Q8 |- L- u# @$ g8 T
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)& F- R. |1 } {5 @* k; F! U1 e& a f
if(trust-value > trade-trust-value)5 }: X- H2 o& @
[set trust-ok true]8 k# Y" E3 C, |8 n7 u, S# u
end
( s2 f5 U" T% b6 B! Y1 ~: m
2 N- y: x3 ~1 X+ c tto get-global-proportion3 F7 l1 a7 W8 P# o4 d% f3 m2 k: ?
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* d. d! U* A& m4 t/ v
[set global-proportion 0]
6 T& w( E0 Q; T. _[let i 0
8 R! e, N" P- \. ylet sum-money 0
3 W6 J) b; b1 E2 \, z! ], hwhile[ i < people]
- q( ]& B! L1 i) i* p) {[
1 f' ]9 Z2 Q0 n. z0 `! l2 xif( length (item i
F$ W, @0 S& @ q9 p+ k[trade-record-all] of customer) > 3 )
/ q/ \5 _6 Z' {2 i+ @[* m6 l3 f* o) ]; e# P* t
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# x( \2 y4 P$ @# M- I0 |]
: {/ a' \4 {6 L( e) G5 f% e7 i5 j]
5 e* n0 w4 U2 H% ?let j 0
2 p; g' h6 W. hlet note 0, w2 a! d4 a9 C7 Y0 K5 r
while[ j < people]0 \9 h+ {- L* S
[& j( Y4 p! C0 ]6 D7 m g
if( length (item i. T5 h1 `% q* D
[trade-record-all] of customer) > 3 ). ]& x/ }; U* d D& w# Q+ S* O9 H* t
[
; l8 @7 |8 M# {$ G5 Hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
- M1 s6 D+ `- d4 B v A[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 ?8 ^4 T, j3 m/ p! a
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ V3 M8 M9 x# B]6 }2 U2 w8 `. ?3 H6 C, Y
]. h( }0 R! _! X) T- f0 A$ D U( N8 r5 u
set global-proportion note/ |; q, R. s# @9 D0 }
]" h. K# P z8 A4 q
end
- k, y) U+ ^7 A) Y7 T, O- b( d& u0 D/ s& y" k
to do-trade
! e2 ]0 `8 {8 h, T; t: P2 s;;这个过程实际上是给双方作出评价的过程9 J$ X( Z( [+ Z6 G" P* U
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价* S- b+ Q! ]3 j1 P
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
# A) ]$ C2 E; M; U& U( Mset trade-record-current lput(timer) trade-record-current% K2 g/ Y. @% B. q& X4 D3 _
;;评价时间
: _2 A' i9 ?+ Mask myself [
$ d) s* u1 t8 N q* j6 _( l6 ^1 dupdate-local-reputation, b8 H3 \$ T( e! i
set trade-record-current lput([local-reputation] of myself) trade-record-current
+ P0 d& v2 J4 |* s]
# x$ c& l7 r- p; C) [9 m1 pset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' i3 m$ a% z" u- X) Y;;将此次交易的记录加入到trade-record-one中9 y' K. R8 n! {, \
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
" o4 z# ^, }3 \/ Y: R( slet note (item 2 trade-record-current )# Y" s6 u' u7 Q
set trade-record-current
& F V) g5 u4 F(replace-item 2 trade-record-current (item 3 trade-record-current))% P3 `7 p8 r' x( I5 p, X G
set trade-record-current; |% _0 j5 W% p* `8 w% q
(replace-item 3 trade-record-current note)
, \4 m" J# f1 Q; w+ F l, j1 p$ q4 c! R
8 ^' J" s& L! k" Z8 V+ }" `ask customer [
, Y2 z" D1 P: R9 _+ [* f8 k! W3 Bupdate-local-reputation
. D4 E& j9 k7 \0 g% e4 Cset trade-record-current, D* K- V8 { C) A
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% x+ N$ x: i, }6 _1 ~]
A: Y# q m8 U2 R- D- q# e0 G5 o" N2 P/ e( W* G. |
/ s6 {2 l, f6 m$ e4 {
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer' C2 A$ u2 e( V
* a% Z& S# K% l6 ? F; Z' n6 tset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)), E- n w6 p5 ^& A: S) K: g) O
;;将此次交易的记录加入到customer的trade-record-all中
- _$ ?) M7 p, ^0 V5 xend$ c: v& Q+ S: ~
6 v% m0 ~5 T, h9 i- n0 y- `to update-local-reputation
9 ?& |& l/ W& k- W2 @$ j, zset [trade-record-one-len] of myself length [trade-record-one] of myself3 g2 _2 A8 s; t' b
3 \" h a3 k4 S9 U0 U6 J: d0 o
* B H/ y. b% `7 a; o$ Z
;;if [trade-record-one-len] of myself > 3
7 R; m* c5 U& J6 J8 j8 I% iupdate-neighbor-total
% \. h; q- B/ z/ M* Y8 c. c/ T4 a0 ]7 c;;更新邻居节点的数目,在此进行
, b; J- f2 f5 U; E, K6 I6 i1 o% Y2 Hlet i 3
8 t- v3 r* M4 A6 Flet sum-time 0
+ E6 h9 R/ d( L* f$ ~! Cwhile[i < [trade-record-one-len] of myself]1 B: f: D k! ]8 R
[
4 _& b/ o3 ^2 D) p0 L8 oset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )" H# T6 A) K& Y+ u
set i- ^- I+ I# b( r; {3 u$ T
( i + 1)
3 G. w' |' y4 @2 ]& ?]
5 i. J1 t) w6 dlet j 3
2 ^8 M9 \# W( q) k2 T% c0 glet sum-money 0: z% \; }# J# r5 D+ J
while[j < [trade-record-one-len] of myself]; b" E8 A6 Z* I
[
9 H& P4 z$ m0 C) A7 O( }" Cset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
1 F# r w- t9 ~2 B# pset j
& B' J2 j! M6 K+ N+ Q$ p3 W; M( j + 1)1 R4 X& [& G2 K. R
]4 u4 E0 V5 \& m) [+ O5 ?; E( N
let k 3
) d: Z. W2 Q0 E& K9 }8 p! rlet power 0
$ d7 E# x9 Q' c$ Wlet local 0
2 h3 A/ d& ^. ]+ S6 j" _, g$ M$ Twhile [k <[trade-record-one-len] of myself]
) V+ G) j! ]' R7 g; p# L[
. o/ T/ ?+ |/ x/ rset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) - W# O, W2 u |3 Y! p+ F0 o3 Y
set k (k + 1)$ {; a& \6 F. Z. \ U) r
]
, `$ ^& `, n, d3 qset [local-reputation] of myself (local)
+ T5 S2 y# z3 ~9 l8 J& ^* Aend
- u9 H4 H+ f" r! I5 w
4 ?0 ~- q1 T. w' Mto update-neighbor-total
3 J. U" a! @% ^$ l7 \3 s) ]# A% ]$ {/ b
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 \; H3 [5 i3 `" q* g& ^5 Y
5 H9 D2 r6 i0 N) p( i1 V5 `7 c, p/ S9 {5 k
end
H) G9 F4 M% T" |& I+ X# N: ^
1 S, A( j' C" W {0 U0 N8 ]/ Yto update-credibility-ijl " D" @6 ~) E! p6 N0 f# x
8 U. B+ R! @9 ^# J: g) c
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。, o4 K3 K! R p1 e* M& W
let l 0
( ` f% G5 R3 l% l3 e' }$ vwhile[ l < people ]
, b2 k. z1 G8 n2 a& Q;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
, \# }% y9 L0 c: {9 T; Z[! w- M: v1 U3 d; C8 t+ G) V5 e
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
/ h; W- {! J; e% i2 wif (trade-record-one-j-l-len > 3)7 Y; q8 S- D `+ l; U
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
* K) h5 _0 H6 t# p: `, u1 Alet i 36 f1 m' w. K6 K% }' n
let sum-time 0
! H. S4 |, B0 u+ e) L. r3 S" _while[i < trade-record-one-len]" E3 Q# h w: {4 r
[- q3 p* ~4 N, i; L+ P: U% m- o
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! m: \4 l9 O+ eset i0 @/ U" ]- d" _2 x( T6 ~! \% f
( i + 1)
- S w% ]) b$ w! p1 y]+ K' c8 _3 b, B$ Y8 L; P' E
let credibility-i-j-l 0
. `, |; |' u' W* V, r, h0 ]1 v Y. T;;i评价(j对jl的评价)3 _! F1 N! B( L# H7 V
let j 39 ], h/ C( L. Q% b1 M; `7 m; n4 L
let k 44 \& u2 T/ z" n, g
while[j < trade-record-one-len]
2 `6 s/ d( u+ D1 u[
! w, d* D4 b0 D- j2 C- Mwhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉
. h9 _% ?9 A4 x( i* [set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
2 O3 S# X' R' w! m% oset j' X6 |1 G# J; c
( j + 1); X& o. r5 D9 {3 X( t
]0 b, |% H( f {
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
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2 ~; Y/ Z& S+ M1 C+ j* x/ I9 ^, a
4 x K3 e# n! ]( B# s, e7 |/ ylet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))1 p( C7 @, u4 F; s) L. B
;;及时更新i对l的评价质量的评价2 G7 M( ~0 t% H' v
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& D- s: a. y3 m6 mset l (l + 1)
5 l0 X6 R/ O; o; J4 }" U( v]
, V, p, R3 X3 L3 y6 a# ?end
8 j9 v, l6 U0 Z
& c3 ~, p& A" y6 bto update-credibility-list
- U/ y; L3 Q. h( glet i 0
- R2 F( ^' ~! ~/ u }while[i < people]* t1 ?* [: P: h$ G* Z, d D2 B
[7 s9 P. O6 X" C7 q( a6 c% |
let j 00 b6 o) g$ e: t0 K. x# d
let note 0
+ b2 Q9 {, L. y _let k 0
3 F& o2 b( v# W& y;;计作出过评价的邻居节点的数目' P6 |2 Q( b& l, e' v% d: @
while[j < people]1 m& a, W; X' B2 x% t, Z# @
[% L) T$ W1 N6 u$ N( t( J
if (item j( [credibility] of turtle (i + 1)) != -1)
6 l5 O/ a. }8 k* u# [/ z+ ~;;判断是否给本turtle的评价质量做出过评价的节点
: B5 U7 C7 ]6 b& ^7 E8 P[set note (note + item j ([credibility]of turtle (i + 1)))( }5 W, i0 U! i$ O$ g, z. B
;;*(exp (-(people - 2)))/(people - 2))]: v# p: Z' |8 `$ L/ J; O3 F, w
set k (k + 1)
/ T" ~ i [; B]# k" Y0 F- {& q7 g/ u: |$ w
set j (j + 1)
+ z$ x% @9 M4 I C/ p3 Z]4 @0 c/ T. {/ _5 F
set note (note *(exp (- (1 / k)))/ k)4 p/ n# v& S8 C( Y4 q
set credibility-list (replace-item i credibility-list note)4 u; Y% o# L/ `2 s
set i (i + 1); a" {7 ]" h2 C2 e2 O3 v" w
]
0 Z: U) y2 B0 N5 @6 T% Tend4 e% M4 `' H! z7 m% r
0 j4 |4 E5 _2 B$ O' _7 E; {to update-global-reputation-list
}4 j* K5 P/ X; V) g3 J) qlet j 0; e# `+ [; O1 x& K3 ~5 }/ }; J
while[j < people]
1 D# Z) \! z! S& E U* I. Z[" f6 A" K6 F# s5 c- R) S
let new 0& }) z# {, J% Y3 @- Z' R
;;暂存新的一个全局声誉0 z: @- U9 S9 d- |4 X
let i 0
4 `% K; R, P9 H' @" ^1 C3 I! h7 Nlet sum-money 0
! L4 O. a x7 X: llet credibility-money 0" h% Q: o& O6 |1 Q0 Y( j
while [i < people]& D% x* x% y5 c" O, D
[8 t& t; G0 X! J% V- [
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* B# r) _0 @' o- n* R" rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' I# P f+ o% g/ b3 C
set i (i + 1)( M" v7 ~, K/ o) S0 k2 ^/ _; O
]
. X/ Y: }% ?* z% Dlet k 02 ^& q# Z7 ?2 n4 t; q, b& n3 N S
let new1 02 r" D8 C6 K& P2 F+ ?0 a
while [k < people]
3 j$ {8 E% o. U[( O& c8 y# a" w r! t
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
, O" r" p% X$ X* U+ k& Q* Z* eset k (k + 1)0 h- x& I% n. k$ l: F
]
* v% s9 U5 H* M1 }' h" @set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 F* H8 t: ?# C2 S U6 i9 J0 eset global-reputation-list (replace-item j global-reputation-list new)
; }- G" a! O+ `% {9 |) K. sset j (j + 1)) D& {% J# z5 r# z" @3 c: w
]
# c/ b% x. q1 x* @% Dend
9 p* g+ d* h0 \. }. B6 G$ g/ U# Q. g& Q" A/ j$ S2 m: y
! _6 s/ ], o7 [1 n, U5 n) n3 ?% Y
' ~% }2 d: N# Q/ [! ito get-color) K; i, B2 F2 W- ]
0 C# B3 X/ j4 o6 S2 D8 [ Cset color blue! X) t9 h4 ]" \" I
end
; G- D1 j, U5 U7 ?3 D1 U. O
1 ]2 B- m0 {+ P# X" n# Bto poll-class
- ?! s% m) ?- I6 ?" i, rend
& {* b8 p- O% c: l0 e+ Y( O1 X$ R1 ~ o3 o$ x" V8 e
to setup-plot1
7 s0 i' O. [' T: r: P8 _: t
; m2 d$ ]- l" V# D$ `5 m( kset-current-plot "Trends-of-Local-reputation". y9 x9 g8 k* A0 Y' i' S6 f; t
# D6 N; ~: @4 z. ]% S( U$ ~# c
set-plot-x-range 0 xmax3 u5 T6 C6 S' Y* e, ]5 g Q
, x. U/ D# E; @set-plot-y-range 0.0 ymax
) {* h$ L" o. d, ]: F. Mend
+ @9 n: ]7 a- I# m+ Z& E! |2 \, N6 w* ?( ]0 v1 L1 \. q
to setup-plot2
. m1 p) Z ^0 F# _2 P
" f: p" u# @$ M9 X2 g7 A! tset-current-plot "Trends-of-global-reputation"6 j+ A, z' o5 N" d" o v. ^5 {
: y0 m8 ]0 _$ P* j( d) Jset-plot-x-range 0 xmax8 F, w7 |8 y, _0 |
, H1 A/ ?" M5 o' w, y B1 oset-plot-y-range 0.0 ymax
3 M8 G5 O0 b' L; q- W4 ^end" C) w. s( a% W) W. v
$ @6 U4 c+ J @, `( Q$ }. G# u8 @! F
to setup-plot3
8 O9 S" h3 e. n* d9 v7 v5 x& x }! Y5 h5 C) @, r4 L! `: W2 b
set-current-plot "Trends-of-credibility"$ p- C2 |- j( O" O
2 e1 g6 b z+ l N6 v! dset-plot-x-range 0 xmax
3 ?1 p. g4 N$ {. `9 u
* T! I0 r2 C; J3 J* _+ aset-plot-y-range 0.0 ymax
" X3 s d7 ? n$ [end
6 x. G$ y- q5 \4 P7 F0 ~& u& s" f/ C* J4 L) e4 L6 Q
to do-plots
- a9 U M5 q; D6 Z6 y: hset-current-plot "Trends-of-Local-reputation"
: h0 `2 _( J) k* Bset-current-plot-pen "Honest service"
5 d8 j! Q+ g! G1 \8 o# h# _. ~8 v Bend
; p9 S( k) U. Z5 b3 Z! v- O5 Q' z/ Z. E; A0 J8 [
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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