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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. E8 R8 p. A2 [
globals[
# L4 Y: r# g' k; v% V6 X, Txmax
* z3 X' K0 o! ~% U8 @! Y# B/ ?ymax: f# T! \4 I7 f. u) Y
global-reputation-list2 o G4 u. t o: f2 Z
! G9 p1 x9 B' |* h$ L9 E7 W7 F
;;每一个turtle的全局声誉都存在此LIST中
8 u+ O3 `- R4 p+ k8 N8 @2 G$ [credibility-list5 ]4 R# W- D8 s4 y* q0 @
;;每一个turtle的评价可信度
3 Y/ T o& ~7 _honest-service! n4 m% u( N$ r" Y' Q9 k
unhonest-service0 M O+ B5 \+ c2 r( Q; B3 r
oscillation, ]4 W3 V) n6 l$ Y/ A
rand-dynamic
0 m0 b j% }: @+ t* `8 o]
& Y6 B9 _2 s/ t4 u' z" g3 j) Y# M" R B
turtles-own[5 f1 v' A! h5 d6 b# G
trade-record-all
! f: Y; E% ~/ X# B5 W;;a list of lists,由trade-record-one组成
& j+ d+ A( w7 Y- H+ Gtrade-record-one4 H- E: V: i4 b( B
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ j* I, f& H& v5 u- g; i; J* [
' s7 U2 d" c: b9 i0 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]]
6 R8 y! j& T2 H0 ptrade-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]- Y4 A. ?1 c; c' ^9 G I
credibility-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
4 }, w# y% H( c9 ?neighbor-total9 M, n3 U) w& {" J5 C
;;记录该turtle的邻居节点的数目$ g, ~+ N# C7 G$ R" q$ ]
trade-time
6 A1 ~, z9 j# e J& x;;当前发生交易的turtle的交易时间
" G8 i) `, @ q" Wappraise-give! a; R2 N0 f |9 F/ c
;;当前发生交易时给出的评价
6 N7 b: w9 T& A8 t: Happraise-receive7 g2 h. t" e. F4 o' H8 h* u T
;;当前发生交易时收到的评价5 Q, }0 G5 o" C
appraise-time
. L% }/ t+ I+ K( D; L;;当前发生交易时的评价时间7 N" K/ J/ S( \% b5 q4 v8 C
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
7 c- O0 x' o0 Y. t3 ~trade-times-total3 e9 N6 |1 B i/ N" q" r1 Q" Q
;;与当前turtle的交易总次数
; j; N \8 ` ^# `6 C1 ]( r! ?trade-money-total
/ i/ y# u6 Z% I V- C0 S;;与当前turtle的交易总金额1 h# W4 y/ @3 v8 l* h8 u- I
local-reputation
- B& U! H: X# S4 w+ U9 Yglobal-reputation
& Q% _6 t3 r" [! z3 @% r) bcredibility
" o4 u; z) k, r: r ]# }: `;;评价可信度,每次交易后都需要更新1 T, n. }+ y: B1 I5 @, \
credibility-all
5 Y$ `( ?1 A$ d" G;;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/ r% g* Y) ?4 e
* T7 N5 n/ z9 x4 B% U, p/ ^
;;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0.5
8 X: f. d3 G% W5 e3 z) P- ?. Wcredibility-one0 b: x' f. y/ c3 p, x
;;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. ^) {" h' v3 @/ }; n4 o2 X# t
global-proportion: f4 c; S# \& C( ~: z: Q
customer) c* V# W7 s0 K9 m' Y) c' C
customer-no
( O) ] B2 a, ]% Y% Btrust-ok8 E, A" ^+ M! X4 R* z
trade-record-one-len;;trade-record-one的长度& u6 U" }" w; f
]
! z* w. y+ L6 p- ^0 e- s, n) L
% F1 x- ]4 x$ M4 @; `9 Q4 s# K/ P;;setup procedure
& C& X; z+ r, ]1 J2 b* C. Z% t3 b/ k5 S/ F
to setup
# E% ~/ Q% H& |5 R" @( W8 f# J _' ^6 M4 k! `) f) I p5 T9 R+ @
ca
+ S! G; x" V9 `0 _/ p" @
/ ~+ S* u+ f. _1 Iinitialize-settings
K. b" U" ?" w1 L
0 E# o2 I0 F# v6 G5 @crt people [setup-turtles]
5 b: p2 ~$ J2 X1 T, j+ ]2 W% a7 U. O% K
reset-timer
8 p4 `* M6 B+ {! E: V# H! Q
( D, Y; B+ ?6 x; k; i1 A7 j$ Lpoll-class# z2 E a9 s4 E" A
6 V3 X+ q2 `, p; ]+ esetup-plots
: }8 B! Z0 o" v3 f% s* B. i8 ?
6 K+ ^2 u2 p w8 }do-plots: U3 b7 O7 o* _0 f
end
: h; c9 v( K8 X5 V) `- N7 q2 u8 ]
% D4 Q" b/ O" X! ~5 [: `( cto initialize-settings e7 \: h [8 Y. J- X* V
3 t+ w( F8 M# ^0 g$ j, S. J/ c L; A( pset global-reputation-list []
* S2 s1 T+ E- s& S- k
; L1 E: l7 Q1 ]. N0 nset credibility-list n-values people [0.5]9 L# ?) o, O' k. O) X* @* X
) g' l' {/ X' W) y2 `% }
set honest-service 0
1 A" I$ w: O( r
+ c7 L6 Q% j0 k6 ]# N2 pset unhonest-service 00 z n, C5 X# @& u* @* W; Z ^
. _5 ? q* |1 `6 k$ C
set oscillation 0
0 z8 o9 J" a( A* d; H+ N$ w9 U
( X# O i; h Nset rand-dynamic 0
# K: y. D# L2 @7 r- u$ T8 e2 O' fend7 s1 G: l$ _9 R+ \% h
' z* ~- e" C! K, h8 S4 _7 g
to setup-turtles , e* B$ Z$ y3 B% l& y9 |, @2 B9 v
set shape "person"9 f0 w* r" [+ G- X( a2 s4 W8 [% f
setxy random-xcor random-ycor7 k) [& F' C2 S* l- [0 B6 Y
set trade-record-one []
: D2 y3 p4 g. a q9 a9 X; }/ }$ K% ^5 H8 v1 D+ L+ J
set trade-record-all n-values people [(list (? + 1) 0 0)] 8 m3 N, J/ ~$ y# ~" W5 p8 j
+ K$ b7 F. z' i5 T) c0 D/ S: M$ eset trade-record-current []) P8 t) U5 W4 e+ T; {3 F4 G8 }# p
set credibility-receive []1 H4 A* ?) H2 `3 H
set local-reputation 0.5
# y7 S9 x; }6 D5 N; W2 Jset neighbor-total 0- \/ }- P: C$ w- V; R
set trade-times-total 0
m( U" i2 H! b. g; ], T% aset trade-money-total 0
+ T+ p2 o" R* l' e2 Oset customer nobody
0 I. G$ C' @1 y. T f, Qset credibility-all n-values people [creat-credibility]+ t' U \% Q3 i' ~) d( v C' x6 S! F
set credibility n-values people [-1]8 l9 a$ G7 F4 t2 b
get-color: E$ m+ U+ q: ]0 E4 \* e
. y% i6 H$ e4 G6 G5 e. v1 C ]' {# ^end
8 D* |/ R2 @( f9 o
4 }, l; d) C. s0 Nto-report creat-credibility7 o2 A! j I4 |/ l0 c( D
report n-values people [0.5]
+ ~; Q: x: g- q0 c) q9 [# {end
8 o# |- _# l/ @2 J( _& L$ E6 j# V o3 ^6 @
to setup-plots
; ]: B5 R, S2 Q* a6 K0 P( g! h
6 E3 i( N- R) J) D* d; J) @+ ~. L) Sset xmax 305 i0 D7 l; d2 B6 z
0 ~3 k/ `* }' j$ E9 ?
set ymax 1.0
3 q/ h' z& S% ~8 \$ T/ W# W* P% z! _$ J6 M- `3 N
clear-all-plots
' U2 W/ @& o; @% e* h ~+ Q6 A- Q) `! ^* L* [2 E
setup-plot1
, v9 i/ L. ^; f9 Q5 I( J
0 P- r) z, @' {setup-plot27 u8 [- C0 |# K+ y/ ?" p
" g2 |: A* P' t, Z5 Y: }, f; r
setup-plot3
0 s, d) y& j, U! y. Iend
y) P; q" `8 ^) ~: H0 d( g; q
; V& ~5 a4 ~+ f: y;;run time procedures
% ^/ F! U7 I# s5 b |% K4 P# ?: ?: g' i8 q! G8 ]; _5 g* ~* v N: k
to go
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# r6 s/ P& k8 P" |4 f) |ask turtles [do-business]
) |6 F! L Z! J9 ^& t- P6 send
, U! {: E7 L8 h# m- R% ?& P- g6 t3 _7 S. Y
to do-business - H/ s. r4 n- T, o- [/ @
# k5 h; ]0 t4 J8 p2 k& r& ^
3 e$ C% G' [8 u8 ]+ p6 Frt random 360
: a) V0 l2 {* j# F% @( `2 ~" x
: G% f% X7 \& Y8 qfd 10 b! ] p5 l+ s1 W9 s0 W
+ }. U3 ^2 L+ n: g: }
ifelse(other turtles-here != nobody)[
e( J6 K8 G: z# g& _6 s
/ H! w$ `& F/ i! ?$ r4 rset customer one-of other turtles-here
J4 k5 c3 s5 F7 ] B* g: S% A- u. t$ t- T. Y4 h6 b
;; set [customer] of customer myself
9 Q5 [) e% d4 o* S9 @- z5 m9 V; v9 W5 y
set [trade-record-one] of self item (([who] of customer) - 1)) |: r/ [" Q2 g# Z, r+ J
[trade-record-all]of self
+ ~( C& t7 u, p2 i X) m& c% ?;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- l: M6 L" T2 F. c# @, t4 Q
8 P0 J+ `; D! R hset [trade-record-one] of customer item (([who] of self) - 1)
0 w S: z$ U |! q" W) t[trade-record-all]of customer
$ K1 u3 N2 s. |( Y5 @) S2 j
3 \$ m$ ^0 r% j- ^: iset [trade-record-one-len] of self length [trade-record-one] of self/ U+ c. w* N8 V$ i
( e, a6 \8 f, q( \
set trade-record-current( list (timer) (random money-upper-limit))6 l7 C6 e- c6 Z0 c, S/ k
0 K5 E7 |3 B6 \! i& N7 Cask self [do-trust]
: f$ U7 G2 ?3 L, p;;先求i对j的信任度" ^, ?( n6 g3 A( E7 Q" f: l2 E H
1 t9 z* j6 W6 z$ h$ Y; C+ Z
if ([trust-ok] of self)( A/ ?' ^0 F$ V/ ^3 J
;;根据i对j的信任度来决定是否与j进行交易[2 a9 Q* U% z/ ?9 B
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself% W, G3 V; j; d4 } z3 }
! q" _+ G9 F2 {) k' t" ]. Z
[
& C* q5 E/ H0 j+ E6 \" s" Q: J) J& x0 V
do-trade7 P" Y, A0 ?" Z! f- h
2 u+ |* Z% a9 z) U3 F9 I, b
update-credibility-ijl
5 S0 `8 R6 t& T' q' i: I
& H: c3 ~2 ^+ T% p+ U$ nupdate-credibility-list
7 U6 j4 B4 [) d# y6 R$ L
# N5 t5 l, d% Z& b8 v7 k: a5 t* t, C' p7 y1 O% B, M, z
update-global-reputation-list& y4 U6 p( t8 | M. u
8 ?; O! X/ C7 t' F1 F1 M5 K! {" o6 Rpoll-class
- F- l4 A8 U" Q4 ]. ^" X9 F$ Z# f" l3 A
' Y+ G: | l9 N% u' Bget-color8 q* a' d0 O* m1 m! l3 g8 |8 {9 N
~3 }% ?9 z a3 i+ |# n9 T+ @]]& b7 ?. m+ V$ ^/ C+ d
0 R. S7 L$ v7 ~) _! `
;;如果所得的信任度满足条件,则进行交易4 L* o1 k% n1 P1 V# R$ C' Q- u
: c6 d4 I- z2 _& h- `+ C+ Y
[
2 N9 w) B" t+ m3 V5 x: o4 P$ L) h2 v- c8 m
rt random 360, r2 K7 y* r n. f* L. Q# n) ^: J
! S* a, o& s6 t& p$ Z
fd 1$ e4 f5 }2 M+ G! u0 g1 U
- R6 @- I4 k2 i, x8 @9 G4 J
]) j0 X9 |# l( k4 G: s, [6 O
# L5 q9 i! v$ R6 C0 b
end
0 Y! R4 k& k& w& q! ?9 B( G: ?/ j1 [% `1 Z" f
to do-trust
& R l& q1 S; s! C5 o& tset trust-ok False
4 [+ F: v; i6 P4 x
2 ]- z" R! ]' M) W' w, L( t& L* q0 K; [+ [' L) b5 h" H9 a
let max-trade-times 0
1 K+ p% M# Z% D" @# Z3 jforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
6 S& V' V. b; N, e0 p" wlet max-trade-money 0
6 t' ^8 H, g: `1 c$ }2 I7 j- X4 _foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]' y! B" W" A2 D2 s5 o6 m
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 e5 ^8 u3 t q% a' g
+ E; L8 q% _( M
% V& N# v4 v. S1 [& [6 {- [get-global-proportion
0 G( x0 D3 O8 Jlet trust-value
; w7 F9 u U. Y2 G0 plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
. }2 B) n7 W/ C3 e( vif(trust-value > trade-trust-value); m- z' b4 T# W O7 s
[set trust-ok true]
6 v% v, i6 J" r9 z2 x1 ?% pend
/ t8 _2 n8 l- D; X+ A2 {5 I: s1 l$ U
to get-global-proportion2 f2 }) f- X E# q
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 G3 ?# K* K/ @[set global-proportion 0]
1 f) G% {+ M9 K0 n: v6 ~# ~, s) B[let i 03 E( w8 @, B( f
let sum-money 0# {, |' I# q* @$ B8 l" j H
while[ i < people]3 X6 y9 z9 M* |& H5 U; `$ {
[: D, q! c9 i3 O% k, U9 B0 P# f2 N
if( length (item i
4 i' F+ t" X1 n$ [[trade-record-all] of customer) > 3 )
. `" b8 b5 D% s h6 Y% D+ d7 o[
3 @3 i* @. [) k7 t" G& lset sum-money (sum-money + item 2(item i [trade-record-all] of myself)), M% L, E: p, ]+ L
]
d& F* c# ?( N3 o) u9 s1 t' Q% }+ C]
9 {& f: X5 I: w8 plet j 0
) L. \. e4 M) P2 [0 W5 vlet note 01 }4 \9 j& g3 e! G4 ]% u- S7 H# ]
while[ j < people]$ g1 m% |: L# ?: }
[
1 F3 s( A6 k3 A1 C+ j/ m2 n- O, lif( length (item i
8 A% K, w$ B+ W$ V* y' _0 [[trade-record-all] of customer) > 3 )
' J' T6 K( A' N( W, ?+ n[9 ~/ S7 R1 u, F9 w) C' M
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 @& F; P. \7 L- V0 f+ u3 w[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* X$ A8 f* z8 n: M6 l+ t; r[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! a4 s7 F8 |9 t/ f. }
]
3 U. K' B# P6 Q/ G2 I& b" D]
8 v3 z- l& X" X Q1 g$ Pset global-proportion note% C; h* M8 {' o7 p( _+ G$ V
]
/ `% m, F+ o0 [! c& ?& d1 j8 n# Wend! {4 l3 U. e& O* f$ R! P" Z! `
/ N+ m$ l7 I8 I1 u
to do-trade
; g3 O9 q! ^$ \# q5 o' {0 T;;这个过程实际上是给双方作出评价的过程+ W/ O) j& B! Y& E8 U9 ^' |- D
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# i3 ?4 O" S- c
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
# _+ p$ {0 G# W2 Sset trade-record-current lput(timer) trade-record-current/ l b6 C, K* x$ O# Q1 Z' O* X
;;评价时间
) Y1 g/ ?4 @( Nask myself [! e# y" M3 x4 U$ |. _5 K* n% f
update-local-reputation
! \6 O1 w* g! Eset trade-record-current lput([local-reputation] of myself) trade-record-current) ^2 B0 X" M; W$ k; N, B
]
% Y! X/ A" [, q7 i% l7 f. V0 Cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
0 ^) F$ q$ W& X }- x( j;;将此次交易的记录加入到trade-record-one中: D. R( P, ] G/ H) g
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), T# q/ ]8 s+ |! n9 `
let note (item 2 trade-record-current )
, p( d7 A2 h) nset trade-record-current
8 @& r3 H2 ^: [: C(replace-item 2 trade-record-current (item 3 trade-record-current))% P* W, z. B, P/ b% Y* P
set trade-record-current& p4 ^3 O( y3 E9 q+ u
(replace-item 3 trade-record-current note)
" W* k6 l4 `' A" i1 s# Q" K: V; j! X' @* `9 n9 a0 x
; L& q& M1 u% G: xask customer [* D# ~0 g) u0 Z) @
update-local-reputation
! T9 A" P7 E4 p" B; S7 t' q) tset trade-record-current
, Y8 J- `7 X: g- [6 A+ u. N; \(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : N4 | j4 p" R% z. f( h& P
]" j& a* U6 u9 s% ^
, U4 M; I! F. S. F# B$ k1 U
# ?, N# q9 d/ L* ^* D
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% s2 Y/ [( Z l1 j
, G, F+ @: O. `* e8 K n* U3 fset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! D2 B9 B0 t0 ];;将此次交易的记录加入到customer的trade-record-all中
" g$ `) I! w: v" qend
' @7 r f. Z% t6 ^, `0 E" k
. U0 k# T/ r7 G; v$ D3 s& Ito update-local-reputation, h' H( N4 P/ v0 Q
set [trade-record-one-len] of myself length [trade-record-one] of myself2 O, E4 t1 a0 B7 T
" Y0 w N. e" N* @& [
2 a7 X4 `; ^2 o7 r5 Y |4 a+ W! S;;if [trade-record-one-len] of myself > 3 - H, k# n+ A, `3 L& M8 Y3 ^
update-neighbor-total
9 {" F/ b, k8 S! D0 S7 }- Q;;更新邻居节点的数目,在此进行
1 g! P, e. y' W6 S+ Vlet i 32 }! {2 S9 e* r& ]& I& J! @& h" V0 |- r
let sum-time 09 s( I1 ~8 y* l R- ] B9 v$ A
while[i < [trade-record-one-len] of myself] b- O9 S0 v. p1 S; V2 k
[; t A* A1 y/ J
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
0 q8 i$ E, ~1 b! I: Dset i
$ Z4 e9 l4 A: @' `( i + 1)- r( W6 P: v- | v
]
# h, p1 L4 O( P3 j# I; Ulet j 3! l. t' U3 u; V/ h% h- k
let sum-money 06 U1 N& o$ q% @7 V! m$ L& X! z) f
while[j < [trade-record-one-len] of myself]
; }& X$ P: H7 L2 O8 X, ] g[
- P2 i, ?1 q* l5 \) Wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)* q& Q: l1 ^6 e% U/ H9 y2 c
set j
& d2 \# ]. P8 W: M( j + 1)
! G3 h& Y* B6 b @1 u7 M]
1 D4 v* P y/ p) Qlet k 38 b; s: w/ ~- w- P6 @, Z
let power 0
$ a& s- w' Z" F' {let local 0( _. p, w) t2 R# |5 }+ z
while [k <[trade-record-one-len] of myself]
8 L* Q4 z& k2 w; Z* v$ S[5 I/ M6 d, e. D& a4 u% V
set 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) 1 b) t; X+ S J t, T9 n- \
set k (k + 1); C6 o. u8 j) }
]: L2 v: G6 y' Q$ H2 }4 ?( ]
set [local-reputation] of myself (local)
& O: N, g3 x, k% A0 ^end
: j. k0 a5 D( F Z& D
5 M1 G( e8 |/ X Q5 fto update-neighbor-total6 \! _) }# A% E, L
& h+ C- p2 A" b& F% E7 T( Mif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, c/ T& Y/ M" V
, ^* D8 t2 t6 F; j. T. R8 `: N
4 ^1 y$ i- n9 u) Z: y( c, [* F7 v6 }$ [end- T3 m) N" C! U& q% T2 M, q
4 Y$ j. P! m- z- b- F) }( M
to update-credibility-ijl $ \) l# i, Y- y) W
! z* Z8 `/ S, b, L3 q c, t% X' }
;;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。
9 p- k) ]( T& B3 @let l 0
# H* c% w y9 }& Z, m! Qwhile[ l < people ]- P8 U& g3 |7 j# k7 n/ k
;;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6 g7 |2 G6 z" Y: P: A" J
[
# ?; S% @- R' B+ Clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)8 N0 V% l+ A& z# l8 [
if (trade-record-one-j-l-len > 3)* v( p( r9 \: V4 ]
[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
& ^* w% v1 H7 A m1 Q/ u7 x! T) hlet i 3
0 h0 C, h t! x6 V, I9 Vlet sum-time 0- F# C( {- t( g2 l8 Y- c9 o6 w
while[i < trade-record-one-len]" b5 L% O' D; Y" A
[& ^9 x0 g" y9 W, u! y% v) A! i$ {- l
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )2 h2 ^$ r+ B' X/ b: P% b
set i+ I5 D$ H# E' v# j$ V
( i + 1)% q/ V, D4 ~+ X! u# |5 b! v$ M% b
], u& R7 |+ `0 U2 `. `$ [3 B- F
let credibility-i-j-l 0; j8 c. j7 m0 D. u; E
;;i评价(j对jl的评价)$ s) K- l( S7 w+ R9 Y# I, ?2 d
let j 3
: m- p$ r# w2 T2 D9 r- flet k 4
( L( R, T1 u c7 x' t! r7 a2 kwhile[j < trade-record-one-len]
2 k. |/ P6 A9 j4 o; K- z[8 a. k1 {1 w! U
while [((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
+ o: T) Q Z3 E, iset 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)
$ F# [* T0 R9 Y! i& pset j; @) \4 P/ \8 w& a+ R, B
( j + 1): n% z8 }; [7 i
]
: Q. A1 w/ T, r! K" lset [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 ))
+ U( W3 g# k+ @, D4 `
0 X) a! E+ O* D. u5 H$ A) q
, z) E( n! H6 @$ y! Q6 ~let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! w) r, V; K }& K1 y
;;及时更新i对l的评价质量的评价
3 k* d1 s8 U$ J t$ cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. M2 f1 y4 O' q0 r
set l (l + 1)# l5 k% R. ?. u+ w8 \- I! X
]$ V6 L M9 ]: u
end0 ^2 Q4 @5 x; o( B. S v" R L8 q
0 Z* Q3 T$ l( @8 _; h7 K. _to update-credibility-list
0 Z; O7 O O8 ~2 v, Hlet i 0$ Q/ b4 W" L) y) m
while[i < people]
4 ]# I6 N/ t$ e[# ^" L$ C' U/ j5 x o9 Y2 Y
let j 0: J, q a5 ~3 c0 |1 M" Q
let note 0+ W/ u u+ O, N; N; F4 t( J
let k 0; Z9 ^2 [6 L$ I+ X
;;计作出过评价的邻居节点的数目+ ]) {) q$ o# i! h; r+ X7 x' Z
while[j < people]
3 J) g0 M9 l$ G, m# J( D0 N* P[
- K+ k. h6 w" z m3 Gif (item j( [credibility] of turtle (i + 1)) != -1)6 X* P! J1 m3 i s W' A3 L# g# l
;;判断是否给本turtle的评价质量做出过评价的节点
* x; r: j9 x7 [+ `% U+ Q/ [0 P[set note (note + item j ([credibility]of turtle (i + 1)))
8 U$ u8 U: I" p) c+ x, p; b;;*(exp (-(people - 2)))/(people - 2))]
, Q1 F& V$ U z% Eset k (k + 1)- J. F% I# n3 B
]9 [, V, P- K' ?- O) v6 k" B$ ` y
set j (j + 1)7 w% k3 u( V( F& S' p
]$ z, k+ o! \0 o% X7 O2 d$ D
set note (note *(exp (- (1 / k)))/ k)1 [/ j }2 X# j; _" E5 G
set credibility-list (replace-item i credibility-list note)
9 `' l8 R9 V" e! u: M! Rset i (i + 1)+ p/ `, d; }6 D" ?0 O7 n
]0 Z J% l1 E8 y5 W. \. q
end
% V# Q4 ~( n! N6 n# ]
4 m r0 k/ }7 ]7 w, m2 C' xto update-global-reputation-list
# z5 S3 M e% V+ f5 B, {7 [' Jlet j 0 G; j8 o# Q! F8 H& B8 f
while[j < people]1 M( \: T7 j5 C" W( l. B. G
[4 t) L5 {; ~" j/ Y8 S- ^( C; W, P
let new 0
/ ]6 O- V. s: U- h/ _;;暂存新的一个全局声誉
% K! m/ p1 }6 n5 k; a0 Ylet i 0
* z+ V+ e" D0 V/ e$ u8 H% o3 Blet sum-money 0
! _' L3 K. S1 c/ M! xlet credibility-money 08 H, h: f' J* y3 L! I
while [i < people]
- W7 |' w M9 E$ h% K" S" n[+ B+ j5 G- o8 q7 P. Z& J1 ^
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 P# k$ b% r) ?# j- g7 lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ F9 F, l! M4 T
set i (i + 1)
/ d) {" ?/ { K]
6 \: Y5 J8 w. J8 n/ m0 b) ? ?let k 0
' I) X" d$ J2 I1 P8 [2 K$ e4 S. T( @let new1 0- P$ p8 x# L1 x; B/ ?( L
while [k < people]
( U- J) `$ `! h7 A! f( S/ Q[
+ Y6 ]! c' C( j- @ r6 Fset 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)
, M$ ~# Y2 C/ P" g" r$ ~set k (k + 1)
$ _+ O) g5 R. n: r% h$ j]
5 R3 @& m7 g. A# Bset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) $ {- j+ U4 Q6 u1 X$ c3 w/ G
set global-reputation-list (replace-item j global-reputation-list new)1 q; }# y/ [: N; s7 U
set j (j + 1)
6 R4 s, t! V0 k! N]4 O3 w3 f3 H1 C- v0 D& O" l2 c
end( Q7 p/ r" U4 b9 w+ o/ [
+ O% H1 m1 E7 g4 n q
4 V0 i( I: n0 h7 k0 @: X% Z: i3 A1 K* Q: l1 c: }
to get-color2 ]9 w3 e1 K' q5 x7 F' w1 k% F
7 b% p7 @! f/ u7 M7 ]set color blue: T" W% r9 G( n' W4 v
end' B+ c& l0 W8 F% [5 X; N
% O% W" r% }$ H2 qto poll-class
3 I' @/ }. d5 b1 F! w2 e# tend `6 `' o. t0 U0 D9 M1 C% f" g" s
. @4 ?5 [- W0 Q g6 W+ b2 Kto setup-plot14 r& F! p6 H% z/ k- U4 {" h; h
) _) x. G/ H7 [set-current-plot "Trends-of-Local-reputation"
, I7 l5 r' H+ ?/ u+ q
, z0 _. d' \9 v* ^set-plot-x-range 0 xmax8 l3 ~/ {9 T* a; \0 E( E) ]
6 z" y1 \% ]$ c! ]/ @set-plot-y-range 0.0 ymax w6 x+ {: T) [# m' w
end
* X& c: g2 [( C7 l) E! X* e O5 v7 G2 Z H/ |$ j* I4 [0 |
to setup-plot2( Y E$ ^) c& M$ U8 W2 v
1 h1 S# W% E9 a$ ?
set-current-plot "Trends-of-global-reputation"
. E. J) t# B* K4 u( o0 |& r1 H* o5 b- ?0 d
set-plot-x-range 0 xmax
* F# x! Q! K& _7 I' O, x. N8 P5 K0 j4 {5 x% V4 V( w5 [/ N
set-plot-y-range 0.0 ymax
5 m8 X; V S$ Y+ ?7 O. qend$ l3 p: A7 N% _) Y0 _2 _- }4 |
9 Q- N0 b; @; Y. V+ w8 b% T
to setup-plot3
5 I- A- k: W, k$ V
2 I. N w1 Z6 G9 { O4 Tset-current-plot "Trends-of-credibility"1 k* n# ^+ S8 ]: f
! H! D2 n, x. y
set-plot-x-range 0 xmax
5 S* J* `( A$ C8 @* y9 i" L
5 O0 Y% y/ L0 P n. i& i' ?/ Hset-plot-y-range 0.0 ymax
- {) `8 G' I' F0 ~$ ^end8 E+ U* G5 E! n3 z; M& v0 R
6 u6 ~8 W& x' u e! v% {3 \ _+ ]
to do-plots7 | [$ m% q8 _
set-current-plot "Trends-of-Local-reputation"
/ c+ K0 m. n$ @* [! {8 S" rset-current-plot-pen "Honest service"# T7 R; V( h6 Q' }# @; G+ t. B
end( z; }0 E f3 b
, v6 S0 `; c q" n# ]" N( T; p
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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